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Finding the Fourth Proportional to 69,752.86, 96,252.77 and 38,708.89

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Solution

The fourth proportional to 69,752.86, 96,252.77 and 38,708.89 is: 53,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,752.86 : 96,252.77 = 38,708.89 : x
  2. Step 2: Convert to fraction form
    69,752.86/96,252.77 = 38,708.89/x
  3. Step 3: Cross multiply
    69,752.86x = 96,252.77 × 38,708.89
  4. Step 4: Simplify right side
    69,752.86x = 3,725,837,742.27
  5. Step 5: Solve for x
    x = 3,725,837,742.27/69,752.86
  6. Step 6: Final answer
    x = 53,414.84

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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.