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Finding the Fourth Proportional to 63,402.60, 87,496.02 and 35,107.68

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Solution

The fourth proportional to 63,402.60, 87,496.02 and 35,107.68 is: 48,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,402.60 : 87,496.02 = 35,107.68 : x
  2. Step 2: Convert to fraction form
    63,402.60/87,496.02 = 35,107.68/x
  3. Step 3: Cross multiply
    63,402.60x = 87,496.02 × 35,107.68
  4. Step 4: Simplify right side
    63,402.60x = 3,071,782,271.43
  5. Step 5: Solve for x
    x = 3,071,782,271.43/63,402.60
  6. Step 6: Final answer
    x = 48,448.84

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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.