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Finding the Fourth Proportional to 63,280.44, 87,312.50 and 37,781.84

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Solution

The fourth proportional to 63,280.44, 87,312.50 and 37,781.84 is: 52,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,280.44 : 87,312.50 = 37,781.84 : x
  2. Step 2: Convert to fraction form
    63,280.44/87,312.50 = 37,781.84/x
  3. Step 3: Cross multiply
    63,280.44x = 87,312.50 × 37,781.84
  4. Step 4: Simplify right side
    63,280.44x = 3,298,826,905.00
  5. Step 5: Solve for x
    x = 3,298,826,905.00/63,280.44
  6. Step 6: Final answer
    x = 52,130.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.