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Finding the Fourth Proportional to 9,295,891.31, 12,829,851.35 and 7,744,693.22

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Solution

The fourth proportional to 9,295,891.31, 12,829,851.35 and 7,744,693.22 is: 10,688,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,891.31 : 12,829,851.35 = 7,744,693.22 : x
  2. Step 2: Convert to fraction form
    9,295,891.31/12,829,851.35 = 7,744,693.22/x
  3. Step 3: Cross multiply
    9,295,891.31x = 12,829,851.35 × 7,744,693.22
  4. Step 4: Simplify right side
    9,295,891.31x = 99,363,262,725,229.38
  5. Step 5: Solve for x
    x = 99,363,262,725,229.38/9,295,891.31
  6. Step 6: Final answer
    x = 10,688,944.12

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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.