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Finding the Fourth Proportional to 16,657.87, 22,985.65 and 10,697.61

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Solution

The fourth proportional to 16,657.87, 22,985.65 and 10,697.61 is: 14,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.87 : 22,985.65 = 10,697.61 : x
  2. Step 2: Convert to fraction form
    16,657.87/22,985.65 = 10,697.61/x
  3. Step 3: Cross multiply
    16,657.87x = 22,985.65 × 10,697.61
  4. Step 4: Simplify right side
    16,657.87x = 245,891,550.02
  5. Step 5: Solve for x
    x = 245,891,550.02/16,657.87
  6. Step 6: Final answer
    x = 14,761.28

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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.