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Finding the Fourth Proportional to 64,395.43, 88,862.52 and 35,712.84

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Solution

The fourth proportional to 64,395.43, 88,862.52 and 35,712.84 is: 49,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,395.43 : 88,862.52 = 35,712.84 : x
  2. Step 2: Convert to fraction form
    64,395.43/88,862.52 = 35,712.84/x
  3. Step 3: Cross multiply
    64,395.43x = 88,862.52 × 35,712.84
  4. Step 4: Simplify right side
    64,395.43x = 3,173,532,958.76
  5. Step 5: Solve for x
    x = 3,173,532,958.76/64,395.43
  6. Step 6: Final answer
    x = 49,281.96

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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.