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Finding the Fourth Proportional to 63,710.53, 87,925.85 and 35,418.85

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Solution

The fourth proportional to 63,710.53, 87,925.85 and 35,418.85 is: 48,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,710.53 : 87,925.85 = 35,418.85 : x
  2. Step 2: Convert to fraction form
    63,710.53/87,925.85 = 35,418.85/x
  3. Step 3: Cross multiply
    63,710.53x = 87,925.85 × 35,418.85
  4. Step 4: Simplify right side
    63,710.53x = 3,114,232,315.18
  5. Step 5: Solve for x
    x = 3,114,232,315.18/63,710.53
  6. Step 6: Final answer
    x = 48,880.97

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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.