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Finding the Fourth Proportional to 8,737.66, 12,060.26 and 5,200.19

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Solution

The fourth proportional to 8,737.66, 12,060.26 and 5,200.19 is: 7,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.66 : 12,060.26 = 5,200.19 : x
  2. Step 2: Convert to fraction form
    8,737.66/12,060.26 = 5,200.19/x
  3. Step 3: Cross multiply
    8,737.66x = 12,060.26 × 5,200.19
  4. Step 4: Simplify right side
    8,737.66x = 62,715,643.45
  5. Step 5: Solve for x
    x = 62,715,643.45/8,737.66
  6. Step 6: Final answer
    x = 7,177.62

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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.