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Finding the Fourth Proportional to 52,551.70, 78,827.55 and 48,250.90

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Solution

The fourth proportional to 52,551.70, 78,827.55 and 48,250.90 is: 72,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.70 : 78,827.55 = 48,250.90 : x
  2. Step 2: Convert to fraction form
    52,551.70/78,827.55 = 48,250.90/x
  3. Step 3: Cross multiply
    52,551.70x = 78,827.55 × 48,250.90
  4. Step 4: Simplify right side
    52,551.70x = 3,803,500,232.30
  5. Step 5: Solve for x
    x = 3,803,500,232.30/52,551.70
  6. Step 6: Final answer
    x = 72,376.35

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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.