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Finding the Fourth Proportional to 5,985,565.20, 8,978,347.80 and 3,594,080.70

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Solution

The fourth proportional to 5,985,565.20, 8,978,347.80 and 3,594,080.70 is: 5,391,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,565.20 : 8,978,347.80 = 3,594,080.70 : x
  2. Step 2: Convert to fraction form
    5,985,565.20/8,978,347.80 = 3,594,080.70/x
  3. Step 3: Cross multiply
    5,985,565.20x = 8,978,347.80 × 3,594,080.70
  4. Step 4: Simplify right side
    5,985,565.20x = 32,268,906,545,867.46
  5. Step 5: Solve for x
    x = 32,268,906,545,867.46/5,985,565.20
  6. Step 6: Final answer
    x = 5,391,121.05

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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.