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Finding the Fourth Proportional to 69,502.98, 95,913.47 and 38,875.71

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Solution

The fourth proportional to 69,502.98, 95,913.47 and 38,875.71 is: 53,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.98 : 95,913.47 = 38,875.71 : x
  2. Step 2: Convert to fraction form
    69,502.98/95,913.47 = 38,875.71/x
  3. Step 3: Cross multiply
    69,502.98x = 95,913.47 × 38,875.71
  4. Step 4: Simplify right side
    69,502.98x = 3,728,704,050.44
  5. Step 5: Solve for x
    x = 3,728,704,050.44/69,502.98
  6. Step 6: Final answer
    x = 53,648.12

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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.