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Finding the Fourth Proportional to 48,614.90, 72,922.35 and 44,459.60

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Solution

The fourth proportional to 48,614.90, 72,922.35 and 44,459.60 is: 66,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.90 : 72,922.35 = 44,459.60 : x
  2. Step 2: Convert to fraction form
    48,614.90/72,922.35 = 44,459.60/x
  3. Step 3: Cross multiply
    48,614.90x = 72,922.35 × 44,459.60
  4. Step 4: Simplify right side
    48,614.90x = 3,242,098,512.06
  5. Step 5: Solve for x
    x = 3,242,098,512.06/48,614.90
  6. Step 6: Final answer
    x = 66,689.40

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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.