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Finding the Fourth Proportional to 5,791,986.40, 8,686,424.40 and 2,425,496.80

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Solution

The fourth proportional to 5,791,986.40, 8,686,424.40 and 2,425,496.80 is: 3,637,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791,986.40 : 8,686,424.40 = 2,425,496.80 : x
  2. Step 2: Convert to fraction form
    5,791,986.40/8,686,424.40 = 2,425,496.80/x
  3. Step 3: Cross multiply
    5,791,986.40x = 8,686,424.40 × 2,425,496.80
  4. Step 4: Simplify right side
    5,791,986.40x = 21,068,894,585,641.92
  5. Step 5: Solve for x
    x = 21,068,894,585,641.92/5,791,986.40
  6. Step 6: Final answer
    x = 3,637,593.93

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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.