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Finding the Fourth Proportional to 8,493.70, 12,752.70 and 6,039.40

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Solution

The fourth proportional to 8,493.70, 12,752.70 and 6,039.40 is: 9,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.70 : 12,752.70 = 6,039.40 : x
  2. Step 2: Convert to fraction form
    8,493.70/12,752.70 = 6,039.40/x
  3. Step 3: Cross multiply
    8,493.70x = 12,752.70 × 6,039.40
  4. Step 4: Simplify right side
    8,493.70x = 77,018,656.38
  5. Step 5: Solve for x
    x = 77,018,656.38/8,493.70
  6. Step 6: Final answer
    x = 9,067.74

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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.