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Finding the Fourth Proportional to 5,404.42, 8,106.48 and 1,508.71

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Solution

The fourth proportional to 5,404.42, 8,106.48 and 1,508.71 is: 2,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.42 : 8,106.48 = 1,508.71 : x
  2. Step 2: Convert to fraction form
    5,404.42/8,106.48 = 1,508.71/x
  3. Step 3: Cross multiply
    5,404.42x = 8,106.48 × 1,508.71
  4. Step 4: Simplify right side
    5,404.42x = 12,230,327.44
  5. Step 5: Solve for x
    x = 12,230,327.44/5,404.42
  6. Step 6: Final answer
    x = 2,263.02

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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.