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Finding the Fourth Proportional to 48,356, 72,645.18 and 34,350.08

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Solution

The fourth proportional to 48,356, 72,645.18 and 34,350.08 is: 51,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,356 : 72,645.18 = 34,350.08 : x
  2. Step 2: Convert to fraction form
    48,356/72,645.18 = 34,350.08/x
  3. Step 3: Cross multiply
    48,356x = 72,645.18 × 34,350.08
  4. Step 4: Simplify right side
    48,356x = 2,495,367,744.61
  5. Step 5: Solve for x
    x = 2,495,367,744.61/48,356
  6. Step 6: Final answer
    x = 51,604.10

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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.