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Finding the Fourth Proportional to 4,752.68, 7,113.48 and 4,297.96

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Solution

The fourth proportional to 4,752.68, 7,113.48 and 4,297.96 is: 6,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.68 : 7,113.48 = 4,297.96 : x
  2. Step 2: Convert to fraction form
    4,752.68/7,113.48 = 4,297.96/x
  3. Step 3: Cross multiply
    4,752.68x = 7,113.48 × 4,297.96
  4. Step 4: Simplify right side
    4,752.68x = 30,573,452.50
  5. Step 5: Solve for x
    x = 30,573,452.50/4,752.68
  6. Step 6: Final answer
    x = 6,432.89

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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.