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Finding the Fourth Proportional to 70,479.18, 97,265.61 and 38,652.66

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Solution

The fourth proportional to 70,479.18, 97,265.61 and 38,652.66 is: 53,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,479.18 : 97,265.61 = 38,652.66 : x
  2. Step 2: Convert to fraction form
    70,479.18/97,265.61 = 38,652.66/x
  3. Step 3: Cross multiply
    70,479.18x = 97,265.61 × 38,652.66
  4. Step 4: Simplify right side
    70,479.18x = 3,759,574,553.02
  5. Step 5: Solve for x
    x = 3,759,574,553.02/70,479.18
  6. Step 6: Final answer
    x = 53,343.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.