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Finding the Fourth Proportional to 8,710.62, 13,060.98 and 2,866.74

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Solution

The fourth proportional to 8,710.62, 13,060.98 and 2,866.74 is: 4,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.62 : 13,060.98 = 2,866.74 : x
  2. Step 2: Convert to fraction form
    8,710.62/13,060.98 = 2,866.74/x
  3. Step 3: Cross multiply
    8,710.62x = 13,060.98 × 2,866.74
  4. Step 4: Simplify right side
    8,710.62x = 37,442,433.81
  5. Step 5: Solve for x
    x = 37,442,433.81/8,710.62
  6. Step 6: Final answer
    x = 4,298.48

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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.