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Finding the Fourth Proportional to 6,525,761.57, 9,789,320.33 and 3,113,472.95

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Solution

The fourth proportional to 6,525,761.57, 9,789,320.33 and 3,113,472.95 is: 4,670,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525,761.57 : 9,789,320.33 = 3,113,472.95 : x
  2. Step 2: Convert to fraction form
    6,525,761.57/9,789,320.33 = 3,113,472.95/x
  3. Step 3: Cross multiply
    6,525,761.57x = 9,789,320.33 × 3,113,472.95
  4. Step 4: Simplify right side
    6,525,761.57x = 30,478,784,046,340.07
  5. Step 5: Solve for x
    x = 30,478,784,046,340.07/6,525,761.57
  6. Step 6: Final answer
    x = 4,670,532.89

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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.