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Finding the Fourth Proportional to 5,607.06, 7,738.65 and 3,248.74

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Solution

The fourth proportional to 5,607.06, 7,738.65 and 3,248.74 is: 4,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.06 : 7,738.65 = 3,248.74 : x
  2. Step 2: Convert to fraction form
    5,607.06/7,738.65 = 3,248.74/x
  3. Step 3: Cross multiply
    5,607.06x = 7,738.65 × 3,248.74
  4. Step 4: Simplify right side
    5,607.06x = 25,140,861.80
  5. Step 5: Solve for x
    x = 25,140,861.80/5,607.06
  6. Step 6: Final answer
    x = 4,483.79

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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.