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Finding the Fourth Proportional to 63,819.72, 88,071.12 and 35,532.06

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Solution

The fourth proportional to 63,819.72, 88,071.12 and 35,532.06 is: 49,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,819.72 : 88,071.12 = 35,532.06 : x
  2. Step 2: Convert to fraction form
    63,819.72/88,071.12 = 35,532.06/x
  3. Step 3: Cross multiply
    63,819.72x = 88,071.12 × 35,532.06
  4. Step 4: Simplify right side
    63,819.72x = 3,129,348,320.11
  5. Step 5: Solve for x
    x = 3,129,348,320.11/63,819.72
  6. Step 6: Final answer
    x = 49,034.19

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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.