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Finding the Fourth Proportional to 63,394, 87,483.39 and 34,713.14

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Solution

The fourth proportional to 63,394, 87,483.39 and 34,713.14 is: 47,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,394 : 87,483.39 = 34,713.14 : x
  2. Step 2: Convert to fraction form
    63,394/87,483.39 = 34,713.14/x
  3. Step 3: Cross multiply
    63,394x = 87,483.39 × 34,713.14
  4. Step 4: Simplify right side
    63,394x = 3,036,823,164.74
  5. Step 5: Solve for x
    x = 3,036,823,164.74/63,394
  6. Step 6: Final answer
    x = 47,903.95

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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.