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Finding the Fourth Proportional to 48,462.60, 72,693.90 and 44,963.40

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Solution

The fourth proportional to 48,462.60, 72,693.90 and 44,963.40 is: 67,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,462.60 : 72,693.90 = 44,963.40 : x
  2. Step 2: Convert to fraction form
    48,462.60/72,693.90 = 44,963.40/x
  3. Step 3: Cross multiply
    48,462.60x = 72,693.90 × 44,963.40
  4. Step 4: Simplify right side
    48,462.60x = 3,268,564,903.26
  5. Step 5: Solve for x
    x = 3,268,564,903.26/48,462.60
  6. Step 6: Final answer
    x = 67,445.10

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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.