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Finding the Fourth Proportional to 69,754.86, 96,255.53 and 38,710.89

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Solution

The fourth proportional to 69,754.86, 96,255.53 and 38,710.89 is: 53,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,754.86 : 96,255.53 = 38,710.89 : x
  2. Step 2: Convert to fraction form
    69,754.86/96,255.53 = 38,710.89/x
  3. Step 3: Cross multiply
    69,754.86x = 96,255.53 × 38,710.89
  4. Step 4: Simplify right side
    69,754.86x = 3,726,137,233.72
  5. Step 5: Solve for x
    x = 3,726,137,233.72/69,754.86
  6. Step 6: Final answer
    x = 53,417.60

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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.