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Finding the Fourth Proportional to 8,501.87, 12,752.84 and 2,955.26

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Solution

The fourth proportional to 8,501.87, 12,752.84 and 2,955.26 is: 4,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.87 : 12,752.84 = 2,955.26 : x
  2. Step 2: Convert to fraction form
    8,501.87/12,752.84 = 2,955.26/x
  3. Step 3: Cross multiply
    8,501.87x = 12,752.84 × 2,955.26
  4. Step 4: Simplify right side
    8,501.87x = 37,687,879.40
  5. Step 5: Solve for x
    x = 37,687,879.40/8,501.87
  6. Step 6: Final answer
    x = 4,432.90

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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.