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Finding the Fourth Proportional to 7,766,870.96, 11,648,437.67 and 2,375,568.47

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Solution

The fourth proportional to 7,766,870.96, 11,648,437.67 and 2,375,568.47 is: 3,562,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,870.96 : 11,648,437.67 = 2,375,568.47 : x
  2. Step 2: Convert to fraction form
    7,766,870.96/11,648,437.67 = 2,375,568.47/x
  3. Step 3: Cross multiply
    7,766,870.96x = 11,648,437.67 × 2,375,568.47
  4. Step 4: Simplify right side
    7,766,870.96x = 27,671,661,288,672.28
  5. Step 5: Solve for x
    x = 27,671,661,288,672.28/7,766,870.96
  6. Step 6: Final answer
    x = 3,562,781.13

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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.