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Finding the Fourth Proportional to 5,853.72, 8,779.14 and 1,749.72

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Solution

The fourth proportional to 5,853.72, 8,779.14 and 1,749.72 is: 2,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.72 : 8,779.14 = 1,749.72 : x
  2. Step 2: Convert to fraction form
    5,853.72/8,779.14 = 1,749.72/x
  3. Step 3: Cross multiply
    5,853.72x = 8,779.14 × 1,749.72
  4. Step 4: Simplify right side
    5,853.72x = 15,361,036.84
  5. Step 5: Solve for x
    x = 15,361,036.84/5,853.72
  6. Step 6: Final answer
    x = 2,624.15

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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.