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Finding the Fourth Proportional to 8,444.34, 12,659.13 and 3,510.90

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Solution

The fourth proportional to 8,444.34, 12,659.13 and 3,510.90 is: 5,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.34 : 12,659.13 = 3,510.90 : x
  2. Step 2: Convert to fraction form
    8,444.34/12,659.13 = 3,510.90/x
  3. Step 3: Cross multiply
    8,444.34x = 12,659.13 × 3,510.90
  4. Step 4: Simplify right side
    8,444.34x = 44,444,939.52
  5. Step 5: Solve for x
    x = 44,444,939.52/8,444.34
  6. Step 6: Final answer
    x = 5,263.28

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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.