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Finding the Fourth Proportional to 6,657,185.65, 9,986,063.26 and 2,614,549.87

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Solution

The fourth proportional to 6,657,185.65, 9,986,063.26 and 2,614,549.87 is: 3,921,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657,185.65 : 9,986,063.26 = 2,614,549.87 : x
  2. Step 2: Convert to fraction form
    6,657,185.65/9,986,063.26 = 2,614,549.87/x
  3. Step 3: Cross multiply
    6,657,185.65x = 9,986,063.26 × 2,614,549.87
  4. Step 4: Simplify right side
    6,657,185.65x = 26,109,060,398,244.78
  5. Step 5: Solve for x
    x = 26,109,060,398,244.78/6,657,185.65
  6. Step 6: Final answer
    x = 3,921,936.65

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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.