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Finding the Fourth Proportional to 5,053.70, 7,568.76 and 4,878.56

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Solution

The fourth proportional to 5,053.70, 7,568.76 and 4,878.56 is: 7,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.70 : 7,568.76 = 4,878.56 : x
  2. Step 2: Convert to fraction form
    5,053.70/7,568.76 = 4,878.56/x
  3. Step 3: Cross multiply
    5,053.70x = 7,568.76 × 4,878.56
  4. Step 4: Simplify right side
    5,053.70x = 36,924,649.79
  5. Step 5: Solve for x
    x = 36,924,649.79/5,053.70
  6. Step 6: Final answer
    x = 7,306.46

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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.