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Finding the Fourth Proportional to 63,604.47, 87,769.80 and 35,307.93

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Solution

The fourth proportional to 63,604.47, 87,769.80 and 35,307.93 is: 48,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,604.47 : 87,769.80 = 35,307.93 : x
  2. Step 2: Convert to fraction form
    63,604.47/87,769.80 = 35,307.93/x
  3. Step 3: Cross multiply
    63,604.47x = 87,769.80 × 35,307.93
  4. Step 4: Simplify right side
    63,604.47x = 3,098,969,954.51
  5. Step 5: Solve for x
    x = 3,098,969,954.51/63,604.47
  6. Step 6: Final answer
    x = 48,722.52

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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.