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Finding the Fourth Proportional to 65,266.60, 97,875.60 and 25,815.55

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Solution

The fourth proportional to 65,266.60, 97,875.60 and 25,815.55 is: 38,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,266.60 : 97,875.60 = 25,815.55 : x
  2. Step 2: Convert to fraction form
    65,266.60/97,875.60 = 25,815.55/x
  3. Step 3: Cross multiply
    65,266.60x = 97,875.60 × 25,815.55
  4. Step 4: Simplify right side
    65,266.60x = 2,526,712,445.58
  5. Step 5: Solve for x
    x = 2,526,712,445.58/65,266.60
  6. Step 6: Final answer
    x = 38,713.71

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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.