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Finding the Fourth Proportional to 6,766,805.54, 9,337,328.56 and 3,866,384.27

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Solution

The fourth proportional to 6,766,805.54, 9,337,328.56 and 3,866,384.27 is: 5,335,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766,805.54 : 9,337,328.56 = 3,866,384.27 : x
  2. Step 2: Convert to fraction form
    6,766,805.54/9,337,328.56 = 3,866,384.27/x
  3. Step 3: Cross multiply
    6,766,805.54x = 9,337,328.56 × 3,866,384.27
  4. Step 4: Simplify right side
    6,766,805.54x = 36,101,700,296,382.05
  5. Step 5: Solve for x
    x = 36,101,700,296,382.05/6,766,805.54
  6. Step 6: Final answer
    x = 5,335,117.15

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1.5x scale

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.