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Finding the Fourth Proportional to 5,779.90, 8,663.69 and 3,003.77

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Solution

The fourth proportional to 5,779.90, 8,663.69 and 3,003.77 is: 4,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.90 : 8,663.69 = 3,003.77 : x
  2. Step 2: Convert to fraction form
    5,779.90/8,663.69 = 3,003.77/x
  3. Step 3: Cross multiply
    5,779.90x = 8,663.69 × 3,003.77
  4. Step 4: Simplify right side
    5,779.90x = 26,023,761.28
  5. Step 5: Solve for x
    x = 26,023,761.28/5,779.90
  6. Step 6: Final answer
    x = 4,502.46

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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.