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Finding the Fourth Proportional to 16,572.24, 22,869.24 and 9,120.24

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Solution

The fourth proportional to 16,572.24, 22,869.24 and 9,120.24 is: 12,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572.24 : 22,869.24 = 9,120.24 : x
  2. Step 2: Convert to fraction form
    16,572.24/22,869.24 = 9,120.24/x
  3. Step 3: Cross multiply
    16,572.24x = 22,869.24 × 9,120.24
  4. Step 4: Simplify right side
    16,572.24x = 208,572,957.42
  5. Step 5: Solve for x
    x = 208,572,957.42/16,572.24
  6. Step 6: Final answer
    x = 12,585.68

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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.