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Finding the Fourth Proportional to 63,073, 87,041.34 and 34,779.64

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Solution

The fourth proportional to 63,073, 87,041.34 and 34,779.64 is: 47,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,073 : 87,041.34 = 34,779.64 : x
  2. Step 2: Convert to fraction form
    63,073/87,041.34 = 34,779.64/x
  3. Step 3: Cross multiply
    63,073x = 87,041.34 × 34,779.64
  4. Step 4: Simplify right side
    63,073x = 3,027,266,470.32
  5. Step 5: Solve for x
    x = 3,027,266,470.32/63,073
  6. Step 6: Final answer
    x = 47,996.23

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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.