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Finding the Fourth Proportional to 63,322.98, 87,383.07 and 34,642.50

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Solution

The fourth proportional to 63,322.98, 87,383.07 and 34,642.50 is: 47,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,322.98 : 87,383.07 = 34,642.50 : x
  2. Step 2: Convert to fraction form
    63,322.98/87,383.07 = 34,642.50/x
  3. Step 3: Cross multiply
    63,322.98x = 87,383.07 × 34,642.50
  4. Step 4: Simplify right side
    63,322.98x = 3,027,168,002.48
  5. Step 5: Solve for x
    x = 3,027,168,002.48/63,322.98
  6. Step 6: Final answer
    x = 47,805.20

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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.