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Finding the Fourth Proportional to 8,283,482.40, 12,417,836.40 and 3,233,618.40

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Solution

The fourth proportional to 8,283,482.40, 12,417,836.40 and 3,233,618.40 is: 4,847,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,482.40 : 12,417,836.40 = 3,233,618.40 : x
  2. Step 2: Convert to fraction form
    8,283,482.40/12,417,836.40 = 3,233,618.40/x
  3. Step 3: Cross multiply
    8,283,482.40x = 12,417,836.40 × 3,233,618.40
  4. Step 4: Simplify right side
    8,283,482.40x = 40,154,544,271,229.76
  5. Step 5: Solve for x
    x = 40,154,544,271,229.76/8,283,482.40
  6. Step 6: Final answer
    x = 4,847,543.86

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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.