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Finding the Fourth Proportional to 5,074.60, 7,601.10 and 4,210.60

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Solution

The fourth proportional to 5,074.60, 7,601.10 and 4,210.60 is: 6,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.60 : 7,601.10 = 4,210.60 : x
  2. Step 2: Convert to fraction form
    5,074.60/7,601.10 = 4,210.60/x
  3. Step 3: Cross multiply
    5,074.60x = 7,601.10 × 4,210.60
  4. Step 4: Simplify right side
    5,074.60x = 32,005,191.66
  5. Step 5: Solve for x
    x = 32,005,191.66/5,074.60
  6. Step 6: Final answer
    x = 6,306.94

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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.