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Finding the Fourth Proportional to 8,505.16, 11,737.17 and 4,728.68

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Solution

The fourth proportional to 8,505.16, 11,737.17 and 4,728.68 is: 6,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.16 : 11,737.17 = 4,728.68 : x
  2. Step 2: Convert to fraction form
    8,505.16/11,737.17 = 4,728.68/x
  3. Step 3: Cross multiply
    8,505.16x = 11,737.17 × 4,728.68
  4. Step 4: Simplify right side
    8,505.16x = 55,501,306.36
  5. Step 5: Solve for x
    x = 55,501,306.36/8,505.16
  6. Step 6: Final answer
    x = 6,525.61

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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.