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Finding the Fourth Proportional to 17,061.60, 23,569.20 and 16,543.20

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Solution

The fourth proportional to 17,061.60, 23,569.20 and 16,543.20 is: 22,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,061.60 : 23,569.20 = 16,543.20 : x
  2. Step 2: Convert to fraction form
    17,061.60/23,569.20 = 16,543.20/x
  3. Step 3: Cross multiply
    17,061.60x = 23,569.20 × 16,543.20
  4. Step 4: Simplify right side
    17,061.60x = 389,909,989.44
  5. Step 5: Solve for x
    x = 389,909,989.44/17,061.60
  6. Step 6: Final answer
    x = 22,853.07

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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.