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Finding the Fourth Proportional to 30,164.40, 45,203.40 and 22,204.80

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Solution

The fourth proportional to 30,164.40, 45,203.40 and 22,204.80 is: 33,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.40 : 45,203.40 = 22,204.80 : x
  2. Step 2: Convert to fraction form
    30,164.40/45,203.40 = 22,204.80/x
  3. Step 3: Cross multiply
    30,164.40x = 45,203.40 × 22,204.80
  4. Step 4: Simplify right side
    30,164.40x = 1,003,732,456.32
  5. Step 5: Solve for x
    x = 1,003,732,456.32/30,164.40
  6. Step 6: Final answer
    x = 33,275.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.