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Finding the Fourth Proportional to 8,064,748.80, 12,097,123.20 and 7,368,019.20

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Solution

The fourth proportional to 8,064,748.80, 12,097,123.20 and 7,368,019.20 is: 11,052,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,748.80 : 12,097,123.20 = 7,368,019.20 : x
  2. Step 2: Convert to fraction form
    8,064,748.80/12,097,123.20 = 7,368,019.20/x
  3. Step 3: Cross multiply
    8,064,748.80x = 12,097,123.20 × 7,368,019.20
  4. Step 4: Simplify right side
    8,064,748.80x = 89,131,836,002,365.44
  5. Step 5: Solve for x
    x = 89,131,836,002,365.44/8,064,748.80
  6. Step 6: Final answer
    x = 11,052,028.80

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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.