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Finding the Fourth Proportional to 6,082.65, 9,128.61 and 2,385.81

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Solution

The fourth proportional to 6,082.65, 9,128.61 and 2,385.81 is: 3,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.65 : 9,128.61 = 2,385.81 : x
  2. Step 2: Convert to fraction form
    6,082.65/9,128.61 = 2,385.81/x
  3. Step 3: Cross multiply
    6,082.65x = 9,128.61 × 2,385.81
  4. Step 4: Simplify right side
    6,082.65x = 21,779,129.02
  5. Step 5: Solve for x
    x = 21,779,129.02/6,082.65
  6. Step 6: Final answer
    x = 3,580.53

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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.