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Finding the Fourth Proportional to 64,370.88, 96,576.17 and 28,862.10

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Solution

The fourth proportional to 64,370.88, 96,576.17 and 28,862.10 is: 43,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.88 : 96,576.17 = 28,862.10 : x
  2. Step 2: Convert to fraction form
    64,370.88/96,576.17 = 28,862.10/x
  3. Step 3: Cross multiply
    64,370.88x = 96,576.17 × 28,862.10
  4. Step 4: Simplify right side
    64,370.88x = 2,787,390,931.85
  5. Step 5: Solve for x
    x = 2,787,390,931.85/64,370.88
  6. Step 6: Final answer
    x = 43,302.05

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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.