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Finding the Fourth Proportional to 6,250.07, 8,613.20 and 4,478.60

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Solution

The fourth proportional to 6,250.07, 8,613.20 and 4,478.60 is: 6,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.07 : 8,613.20 = 4,478.60 : x
  2. Step 2: Convert to fraction form
    6,250.07/8,613.20 = 4,478.60/x
  3. Step 3: Cross multiply
    6,250.07x = 8,613.20 × 4,478.60
  4. Step 4: Simplify right side
    6,250.07x = 38,575,012.06
  5. Step 5: Solve for x
    x = 38,575,012.06/6,250.07
  6. Step 6: Final answer
    x = 6,171.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.