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Finding the Fourth Proportional to 3,749.24, 5,624.22 and 975.90

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Solution

The fourth proportional to 3,749.24, 5,624.22 and 975.90 is: 1,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.24 : 5,624.22 = 975.90 : x
  2. Step 2: Convert to fraction form
    3,749.24/5,624.22 = 975.90/x
  3. Step 3: Cross multiply
    3,749.24x = 5,624.22 × 975.90
  4. Step 4: Simplify right side
    3,749.24x = 5,488,676.30
  5. Step 5: Solve for x
    x = 5,488,676.30/3,749.24
  6. Step 6: Final answer
    x = 1,463.94

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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.