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Finding the Fourth Proportional to 5,849.28, 8,779.68 and 5,374.08

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Solution

The fourth proportional to 5,849.28, 8,779.68 and 5,374.08 is: 8,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,849.28 : 8,779.68 = 5,374.08 : x
  2. Step 2: Convert to fraction form
    5,849.28/8,779.68 = 5,374.08/x
  3. Step 3: Cross multiply
    5,849.28x = 8,779.68 × 5,374.08
  4. Step 4: Simplify right side
    5,849.28x = 47,182,702.69
  5. Step 5: Solve for x
    x = 47,182,702.69/5,849.28
  6. Step 6: Final answer
    x = 8,066.41

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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.