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Finding the Fourth Proportional to 6,561,756.60, 9,842,634.90 and 6,189,747.90

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Solution

The fourth proportional to 6,561,756.60, 9,842,634.90 and 6,189,747.90 is: 9,284,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561,756.60 : 9,842,634.90 = 6,189,747.90 : x
  2. Step 2: Convert to fraction form
    6,561,756.60/9,842,634.90 = 6,189,747.90/x
  3. Step 3: Cross multiply
    6,561,756.60x = 9,842,634.90 × 6,189,747.90
  4. Step 4: Simplify right side
    6,561,756.60x = 60,923,428,702,741.72
  5. Step 5: Solve for x
    x = 60,923,428,702,741.72/6,561,756.60
  6. Step 6: Final answer
    x = 9,284,621.85

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1.5x scale

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.