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Finding the Fourth Proportional to 8,298,908.10, 12,448,362.15 and 7,554,890.70

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Solution

The fourth proportional to 8,298,908.10, 12,448,362.15 and 7,554,890.70 is: 11,332,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,908.10 : 12,448,362.15 = 7,554,890.70 : x
  2. Step 2: Convert to fraction form
    8,298,908.10/12,448,362.15 = 7,554,890.70/x
  3. Step 3: Cross multiply
    8,298,908.10x = 12,448,362.15 × 7,554,890.70
  4. Step 4: Simplify right side
    8,298,908.10x = 94,046,015,437,267.02
  5. Step 5: Solve for x
    x = 94,046,015,437,267.02/8,298,908.10
  6. Step 6: Final answer
    x = 11,332,336.05

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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.