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Finding the Fourth Proportional to 29,572.17, 40,809.04 and 16,143.52

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Solution

The fourth proportional to 29,572.17, 40,809.04 and 16,143.52 is: 22,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,572.17 : 40,809.04 = 16,143.52 : x
  2. Step 2: Convert to fraction form
    29,572.17/40,809.04 = 16,143.52/x
  3. Step 3: Cross multiply
    29,572.17x = 40,809.04 × 16,143.52
  4. Step 4: Simplify right side
    29,572.17x = 658,801,477.86
  5. Step 5: Solve for x
    x = 658,801,477.86/29,572.17
  6. Step 6: Final answer
    x = 22,277.75

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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.