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Finding the Fourth Proportional to 67,515.52, 101,335 and 34,258.48

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Solution

The fourth proportional to 67,515.52, 101,335 and 34,258.48 is: 51,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,515.52 : 101,335 = 34,258.48 : x
  2. Step 2: Convert to fraction form
    67,515.52/101,335 = 34,258.48/x
  3. Step 3: Cross multiply
    67,515.52x = 101,335 × 34,258.48
  4. Step 4: Simplify right side
    67,515.52x = 3,471,583,070.80
  5. Step 5: Solve for x
    x = 3,471,583,070.80/67,515.52
  6. Step 6: Final answer
    x = 51,419.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.