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Finding the Fourth Proportional to 8,177,453.55, 12,239,608.28 and 8,177,453.55

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Solution

The fourth proportional to 8,177,453.55, 12,239,608.28 and 8,177,453.55 is: 12,239,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177,453.55 : 12,239,608.28 = 8,177,453.55 : x
  2. Step 2: Convert to fraction form
    8,177,453.55/12,239,608.28 = 8,177,453.55/x
  3. Step 3: Cross multiply
    8,177,453.55x = 12,239,608.28 × 8,177,453.55
  4. Step 4: Simplify right side
    8,177,453.55x = 100,088,828,139,008.12
  5. Step 5: Solve for x
    x = 100,088,828,139,008.12/8,177,453.55
  6. Step 6: Final answer
    x = 12,239,608.28

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Double scale
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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.