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Finding the Fourth Proportional to 8,375,417.55, 11,741,527.80 and 8,375,417.55

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Solution

The fourth proportional to 8,375,417.55, 11,741,527.80 and 8,375,417.55 is: 11,741,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,417.55 : 11,741,527.80 = 8,375,417.55 : x
  2. Step 2: Convert to fraction form
    8,375,417.55/11,741,527.80 = 8,375,417.55/x
  3. Step 3: Cross multiply
    8,375,417.55x = 11,741,527.80 × 8,375,417.55
  4. Step 4: Simplify right side
    8,375,417.55x = 98,340,197,999,932.89
  5. Step 5: Solve for x
    x = 98,340,197,999,932.89/8,375,417.55
  6. Step 6: Final answer
    x = 11,741,527.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.