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Finding the Fourth Proportional to 7,801,987.60, 11,702,981.40 and 4,022,851.60

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Solution

The fourth proportional to 7,801,987.60, 11,702,981.40 and 4,022,851.60 is: 6,034,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,987.60 : 11,702,981.40 = 4,022,851.60 : x
  2. Step 2: Convert to fraction form
    7,801,987.60/11,702,981.40 = 4,022,851.60/x
  3. Step 3: Cross multiply
    7,801,987.60x = 11,702,981.40 × 4,022,851.60
  4. Step 4: Simplify right side
    7,801,987.60x = 47,079,357,449,760.24
  5. Step 5: Solve for x
    x = 47,079,357,449,760.24/7,801,987.60
  6. Step 6: Final answer
    x = 6,034,277.40

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Similar ratio
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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.