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Finding the Fourth Proportional to 2,475.81, 3,713.72 and 995.71

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Solution

The fourth proportional to 2,475.81, 3,713.72 and 995.71 is: 1,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.81 : 3,713.72 = 995.71 : x
  2. Step 2: Convert to fraction form
    2,475.81/3,713.72 = 995.71/x
  3. Step 3: Cross multiply
    2,475.81x = 3,713.72 × 995.71
  4. Step 4: Simplify right side
    2,475.81x = 3,697,788.14
  5. Step 5: Solve for x
    x = 3,697,788.14/2,475.81
  6. Step 6: Final answer
    x = 1,493.57

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.