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Finding the Fourth Proportional to 6,700.48, 9,251 and 4,311.52

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Solution

The fourth proportional to 6,700.48, 9,251 and 4,311.52 is: 5,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.48 : 9,251 = 4,311.52 : x
  2. Step 2: Convert to fraction form
    6,700.48/9,251 = 4,311.52/x
  3. Step 3: Cross multiply
    6,700.48x = 9,251 × 4,311.52
  4. Step 4: Simplify right side
    6,700.48x = 39,885,871.52
  5. Step 5: Solve for x
    x = 39,885,871.52/6,700.48
  6. Step 6: Final answer
    x = 5,952.69

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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.