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Finding the Fourth Proportional to 63,235.92, 87,225.75 and 40,551.06

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Solution

The fourth proportional to 63,235.92, 87,225.75 and 40,551.06 is: 55,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,235.92 : 87,225.75 = 40,551.06 : x
  2. Step 2: Convert to fraction form
    63,235.92/87,225.75 = 40,551.06/x
  3. Step 3: Cross multiply
    63,235.92x = 87,225.75 × 40,551.06
  4. Step 4: Simplify right side
    63,235.92x = 3,537,096,621.80
  5. Step 5: Solve for x
    x = 3,537,096,621.80/63,235.92
  6. Step 6: Final answer
    x = 55,934.93

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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.