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Finding the Fourth Proportional to 8,691,024.40, 12,192,628.40 and 8,691,024.40

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Solution

The fourth proportional to 8,691,024.40, 12,192,628.40 and 8,691,024.40 is: 12,192,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,024.40 : 12,192,628.40 = 8,691,024.40 : x
  2. Step 2: Convert to fraction form
    8,691,024.40/12,192,628.40 = 8,691,024.40/x
  3. Step 3: Cross multiply
    8,691,024.40x = 12,192,628.40 × 8,691,024.40
  4. Step 4: Simplify right side
    8,691,024.40x = 105,966,430,924,532.97
  5. Step 5: Solve for x
    x = 105,966,430,924,532.97/8,691,024.40
  6. Step 6: Final answer
    x = 12,192,628.40

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1.5x scale

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.