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Finding the Fourth Proportional to 5,750.72, 7,932.88 and 4,750.08

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Solution

The fourth proportional to 5,750.72, 7,932.88 and 4,750.08 is: 6,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.72 : 7,932.88 = 4,750.08 : x
  2. Step 2: Convert to fraction form
    5,750.72/7,932.88 = 4,750.08/x
  3. Step 3: Cross multiply
    5,750.72x = 7,932.88 × 4,750.08
  4. Step 4: Simplify right side
    5,750.72x = 37,681,814.63
  5. Step 5: Solve for x
    x = 37,681,814.63/5,750.72
  6. Step 6: Final answer
    x = 6,552.54

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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.