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Finding the Fourth Proportional to 8,374,807.05, 12,563,686.80 and 2,986,585.80

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Solution

The fourth proportional to 8,374,807.05, 12,563,686.80 and 2,986,585.80 is: 4,480,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,807.05 : 12,563,686.80 = 2,986,585.80 : x
  2. Step 2: Convert to fraction form
    8,374,807.05/12,563,686.80 = 2,986,585.80/x
  3. Step 3: Cross multiply
    8,374,807.05x = 12,563,686.80 × 2,986,585.80
  4. Step 4: Simplify right side
    8,374,807.05x = 37,522,528,592,527.44
  5. Step 5: Solve for x
    x = 37,522,528,592,527.44/8,374,807.05
  6. Step 6: Final answer
    x = 4,480,405.14

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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.