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Finding the Fourth Proportional to 6,708.86, 10,062.12 and 1,779.00

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Solution

The fourth proportional to 6,708.86, 10,062.12 and 1,779.00 is: 2,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.86 : 10,062.12 = 1,779.00 : x
  2. Step 2: Convert to fraction form
    6,708.86/10,062.12 = 1,779.00/x
  3. Step 3: Cross multiply
    6,708.86x = 10,062.12 × 1,779.00
  4. Step 4: Simplify right side
    6,708.86x = 17,900,480.42
  5. Step 5: Solve for x
    x = 17,900,480.42/6,708.86
  6. Step 6: Final answer
    x = 2,668.19

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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.