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Finding the Fourth Proportional to 8,475.06, 12,712.60 and 2,319.06

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Solution

The fourth proportional to 8,475.06, 12,712.60 and 2,319.06 is: 3,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.06 : 12,712.60 = 2,319.06 : x
  2. Step 2: Convert to fraction form
    8,475.06/12,712.60 = 2,319.06/x
  3. Step 3: Cross multiply
    8,475.06x = 12,712.60 × 2,319.06
  4. Step 4: Simplify right side
    8,475.06x = 29,481,282.16
  5. Step 5: Solve for x
    x = 29,481,282.16/8,475.06
  6. Step 6: Final answer
    x = 3,478.59

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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.