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Finding the Fourth Proportional to 52,990.83, 79,675.65 and 48,881.70

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Solution

The fourth proportional to 52,990.83, 79,675.65 and 48,881.70 is: 73,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,990.83 : 79,675.65 = 48,881.70 : x
  2. Step 2: Convert to fraction form
    52,990.83/79,675.65 = 48,881.70/x
  3. Step 3: Cross multiply
    52,990.83x = 79,675.65 × 48,881.70
  4. Step 4: Simplify right side
    52,990.83x = 3,894,681,220.61
  5. Step 5: Solve for x
    x = 3,894,681,220.61/52,990.83
  6. Step 6: Final answer
    x = 73,497.27

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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.