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Finding the Fourth Proportional to 6,650,352.16, 9,974,698.80 and 2,661,298.72

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Solution

The fourth proportional to 6,650,352.16, 9,974,698.80 and 2,661,298.72 is: 3,991,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,352.16 : 9,974,698.80 = 2,661,298.72 : x
  2. Step 2: Convert to fraction form
    6,650,352.16/9,974,698.80 = 2,661,298.72/x
  3. Step 3: Cross multiply
    6,650,352.16x = 9,974,698.80 × 2,661,298.72
  4. Step 4: Simplify right side
    6,650,352.16x = 26,545,653,148,825.54
  5. Step 5: Solve for x
    x = 26,545,653,148,825.54/6,650,352.16
  6. Step 6: Final answer
    x = 3,991,616.16

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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.