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Finding the Fourth Proportional to 5,700.78, 8,554.13 and 4,313.70

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Solution

The fourth proportional to 5,700.78, 8,554.13 and 4,313.70 is: 6,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.78 : 8,554.13 = 4,313.70 : x
  2. Step 2: Convert to fraction form
    5,700.78/8,554.13 = 4,313.70/x
  3. Step 3: Cross multiply
    5,700.78x = 8,554.13 × 4,313.70
  4. Step 4: Simplify right side
    5,700.78x = 36,899,950.58
  5. Step 5: Solve for x
    x = 36,899,950.58/5,700.78
  6. Step 6: Final answer
    x = 6,472.79

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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.