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Finding the Fourth Proportional to 63,055.04, 87,016.92 and 34,374.72

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Solution

The fourth proportional to 63,055.04, 87,016.92 and 34,374.72 is: 47,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,055.04 : 87,016.92 = 34,374.72 : x
  2. Step 2: Convert to fraction form
    63,055.04/87,016.92 = 34,374.72/x
  3. Step 3: Cross multiply
    63,055.04x = 87,016.92 × 34,374.72
  4. Step 4: Simplify right side
    63,055.04x = 2,991,182,260.26
  5. Step 5: Solve for x
    x = 2,991,182,260.26/63,055.04
  6. Step 6: Final answer
    x = 47,437.64

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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.