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Finding the Fourth Proportional to 22,071.48, 30,463.48 and 14,518.55

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Solution

The fourth proportional to 22,071.48, 30,463.48 and 14,518.55 is: 20,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.48 : 30,463.48 = 14,518.55 : x
  2. Step 2: Convert to fraction form
    22,071.48/30,463.48 = 14,518.55/x
  3. Step 3: Cross multiply
    22,071.48x = 30,463.48 × 14,518.55
  4. Step 4: Simplify right side
    22,071.48x = 442,285,628.35
  5. Step 5: Solve for x
    x = 442,285,628.35/22,071.48
  6. Step 6: Final answer
    x = 20,038.79

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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.