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Finding the Fourth Proportional to 63,051.61, 87,011.81 and 34,758.31

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Solution

The fourth proportional to 63,051.61, 87,011.81 and 34,758.31 is: 47,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,051.61 : 87,011.81 = 34,758.31 : x
  2. Step 2: Convert to fraction form
    63,051.61/87,011.81 = 34,758.31/x
  3. Step 3: Cross multiply
    63,051.61x = 87,011.81 × 34,758.31
  4. Step 4: Simplify right side
    63,051.61x = 3,024,383,465.64
  5. Step 5: Solve for x
    x = 3,024,383,465.64/63,051.61
  6. Step 6: Final answer
    x = 47,966.79

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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.