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Finding the Fourth Proportional to 72,576.52, 108,841.74 and 23,317

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Solution

The fourth proportional to 72,576.52, 108,841.74 and 23,317 is: 34,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576.52 : 108,841.74 = 23,317 : x
  2. Step 2: Convert to fraction form
    72,576.52/108,841.74 = 23,317/x
  3. Step 3: Cross multiply
    72,576.52x = 108,841.74 × 23,317
  4. Step 4: Simplify right side
    72,576.52x = 2,537,862,851.58
  5. Step 5: Solve for x
    x = 2,537,862,851.58/72,576.52
  6. Step 6: Final answer
    x = 34,968.10

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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.