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Finding the Fourth Proportional to 5,779.81, 8,675.13 and 3,008.45

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Solution

The fourth proportional to 5,779.81, 8,675.13 and 3,008.45 is: 4,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.81 : 8,675.13 = 3,008.45 : x
  2. Step 2: Convert to fraction form
    5,779.81/8,675.13 = 3,008.45/x
  3. Step 3: Cross multiply
    5,779.81x = 8,675.13 × 3,008.45
  4. Step 4: Simplify right side
    5,779.81x = 26,098,727.82
  5. Step 5: Solve for x
    x = 26,098,727.82/5,779.81
  6. Step 6: Final answer
    x = 4,515.50

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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.