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Finding the Fourth Proportional to 70,265.78, 96,967.52 and 38,433.98

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Solution

The fourth proportional to 70,265.78, 96,967.52 and 38,433.98 is: 53,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,265.78 : 96,967.52 = 38,433.98 : x
  2. Step 2: Convert to fraction form
    70,265.78/96,967.52 = 38,433.98/x
  3. Step 3: Cross multiply
    70,265.78x = 96,967.52 × 38,433.98
  4. Step 4: Simplify right side
    70,265.78x = 3,726,847,724.33
  5. Step 5: Solve for x
    x = 3,726,847,724.33/70,265.78
  6. Step 6: Final answer
    x = 53,039.30

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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.