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Finding the Fourth Proportional to 5,659.74, 8,494.78 and 2,888.40

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Solution

The fourth proportional to 5,659.74, 8,494.78 and 2,888.40 is: 4,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.74 : 8,494.78 = 2,888.40 : x
  2. Step 2: Convert to fraction form
    5,659.74/8,494.78 = 2,888.40/x
  3. Step 3: Cross multiply
    5,659.74x = 8,494.78 × 2,888.40
  4. Step 4: Simplify right side
    5,659.74x = 24,536,322.55
  5. Step 5: Solve for x
    x = 24,536,322.55/5,659.74
  6. Step 6: Final answer
    x = 4,335.24

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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.