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Finding the Fourth Proportional to 8,875.66, 13,314.80 and 2,634.92

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Solution

The fourth proportional to 8,875.66, 13,314.80 and 2,634.92 is: 3,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.66 : 13,314.80 = 2,634.92 : x
  2. Step 2: Convert to fraction form
    8,875.66/13,314.80 = 2,634.92/x
  3. Step 3: Cross multiply
    8,875.66x = 13,314.80 × 2,634.92
  4. Step 4: Simplify right side
    8,875.66x = 35,083,432.82
  5. Step 5: Solve for x
    x = 35,083,432.82/8,875.66
  6. Step 6: Final answer
    x = 3,952.77

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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.