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Finding the Fourth Proportional to 62,246.88, 93,428.64 and 28,989.90

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Solution

The fourth proportional to 62,246.88, 93,428.64 and 28,989.90 is: 43,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,246.88 : 93,428.64 = 28,989.90 : x
  2. Step 2: Convert to fraction form
    62,246.88/93,428.64 = 28,989.90/x
  3. Step 3: Cross multiply
    62,246.88x = 93,428.64 × 28,989.90
  4. Step 4: Simplify right side
    62,246.88x = 2,708,486,930.74
  5. Step 5: Solve for x
    x = 2,708,486,930.74/62,246.88
  6. Step 6: Final answer
    x = 43,512.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.