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Finding the Fourth Proportional to 63,033.30, 86,985.94 and 34,352.96

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Solution

The fourth proportional to 63,033.30, 86,985.94 and 34,352.96 is: 47,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.30 : 86,985.94 = 34,352.96 : x
  2. Step 2: Convert to fraction form
    63,033.30/86,985.94 = 34,352.96/x
  3. Step 3: Cross multiply
    63,033.30x = 86,985.94 × 34,352.96
  4. Step 4: Simplify right side
    63,033.30x = 2,988,224,517.38
  5. Step 5: Solve for x
    x = 2,988,224,517.38/63,033.30
  6. Step 6: Final answer
    x = 47,407.08

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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.