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Finding the Fourth Proportional to 48,654.40, 72,980.88 and 26,462.56

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Solution

The fourth proportional to 48,654.40, 72,980.88 and 26,462.56 is: 39,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654.40 : 72,980.88 = 26,462.56 : x
  2. Step 2: Convert to fraction form
    48,654.40/72,980.88 = 26,462.56/x
  3. Step 3: Cross multiply
    48,654.40x = 72,980.88 × 26,462.56
  4. Step 4: Simplify right side
    48,654.40x = 1,931,260,915.85
  5. Step 5: Solve for x
    x = 1,931,260,915.85/48,654.40
  6. Step 6: Final answer
    x = 39,693.45

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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.