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Finding the Fourth Proportional to 8,064,769.80, 12,097,154.70 and 5,797,288.20

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Solution

The fourth proportional to 8,064,769.80, 12,097,154.70 and 5,797,288.20 is: 8,695,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,769.80 : 12,097,154.70 = 5,797,288.20 : x
  2. Step 2: Convert to fraction form
    8,064,769.80/12,097,154.70 = 5,797,288.20/x
  3. Step 3: Cross multiply
    8,064,769.80x = 12,097,154.70 × 5,797,288.20
  4. Step 4: Simplify right side
    8,064,769.80x = 70,130,692,195,884.54
  5. Step 5: Solve for x
    x = 70,130,692,195,884.54/8,064,769.80
  6. Step 6: Final answer
    x = 8,695,932.30

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Similar ratio
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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.