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Finding the Fourth Proportional to 30,164.73, 41,615.94 and 22,225.92

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Solution

The fourth proportional to 30,164.73, 41,615.94 and 22,225.92 is: 30,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.73 : 41,615.94 = 22,225.92 : x
  2. Step 2: Convert to fraction form
    30,164.73/41,615.94 = 22,225.92/x
  3. Step 3: Cross multiply
    30,164.73x = 41,615.94 × 22,225.92
  4. Step 4: Simplify right side
    30,164.73x = 924,952,553.16
  5. Step 5: Solve for x
    x = 924,952,553.16/30,164.73
  6. Step 6: Final answer
    x = 30,663.38

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Half scale
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Double scale
Find fourth proportional to 30,165.73, 41,617.32 and 22,226.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.