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Finding the Fourth Proportional to 70,482.57, 97,265.91 and 38,652.15

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Solution

The fourth proportional to 70,482.57, 97,265.91 and 38,652.15 is: 53,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,482.57 : 97,265.91 = 38,652.15 : x
  2. Step 2: Convert to fraction form
    70,482.57/97,265.91 = 38,652.15/x
  3. Step 3: Cross multiply
    70,482.57x = 97,265.91 × 38,652.15
  4. Step 4: Simplify right side
    70,482.57x = 3,759,537,052.90
  5. Step 5: Solve for x
    x = 3,759,537,052.90/70,482.57
  6. Step 6: Final answer
    x = 53,339.95

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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.