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Finding the Fourth Proportional to 16,572.47, 22,869.95 and 9,018.66

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Solution

The fourth proportional to 16,572.47, 22,869.95 and 9,018.66 is: 12,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572.47 : 22,869.95 = 9,018.66 : x
  2. Step 2: Convert to fraction form
    16,572.47/22,869.95 = 9,018.66/x
  3. Step 3: Cross multiply
    16,572.47x = 22,869.95 × 9,018.66
  4. Step 4: Simplify right side
    16,572.47x = 206,256,258.17
  5. Step 5: Solve for x
    x = 206,256,258.17/16,572.47
  6. Step 6: Final answer
    x = 12,445.72

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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.