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Finding the Fourth Proportional to 63,057.95, 87,019.88 and 34,763.64

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Solution

The fourth proportional to 63,057.95, 87,019.88 and 34,763.64 is: 47,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,057.95 : 87,019.88 = 34,763.64 : x
  2. Step 2: Convert to fraction form
    63,057.95/87,019.88 = 34,763.64/x
  3. Step 3: Cross multiply
    63,057.95x = 87,019.88 × 34,763.64
  4. Step 4: Simplify right side
    63,057.95x = 3,025,127,781.16
  5. Step 5: Solve for x
    x = 3,025,127,781.16/63,057.95
  6. Step 6: Final answer
    x = 47,973.77

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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.