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Finding the Fourth Proportional to 77,814.27, 107,384.13 and 44,280.27

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Solution

The fourth proportional to 77,814.27, 107,384.13 and 44,280.27 is: 61,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.27 : 107,384.13 = 44,280.27 : x
  2. Step 2: Convert to fraction form
    77,814.27/107,384.13 = 44,280.27/x
  3. Step 3: Cross multiply
    77,814.27x = 107,384.13 × 44,280.27
  4. Step 4: Simplify right side
    77,814.27x = 4,754,998,270.12
  5. Step 5: Solve for x
    x = 4,754,998,270.12/77,814.27
  6. Step 6: Final answer
    x = 61,107.02

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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.