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Finding the Fourth Proportional to 16,572.17, 22,869.64 and 9,018.49

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Solution

The fourth proportional to 16,572.17, 22,869.64 and 9,018.49 is: 12,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572.17 : 22,869.64 = 9,018.49 : x
  2. Step 2: Convert to fraction form
    16,572.17/22,869.64 = 9,018.49/x
  3. Step 3: Cross multiply
    16,572.17x = 22,869.64 × 9,018.49
  4. Step 4: Simplify right side
    16,572.17x = 206,249,597.10
  5. Step 5: Solve for x
    x = 206,249,597.10/16,572.17
  6. Step 6: Final answer
    x = 12,445.54

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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.