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Finding the Fourth Proportional to 7,167.89, 10,750.47 and 4,820.97

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Solution

The fourth proportional to 7,167.89, 10,750.47 and 4,820.97 is: 7,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.89 : 10,750.47 = 4,820.97 : x
  2. Step 2: Convert to fraction form
    7,167.89/10,750.47 = 4,820.97/x
  3. Step 3: Cross multiply
    7,167.89x = 10,750.47 × 4,820.97
  4. Step 4: Simplify right side
    7,167.89x = 51,827,682.24
  5. Step 5: Solve for x
    x = 51,827,682.24/7,167.89
  6. Step 6: Final answer
    x = 7,230.53

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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.