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Finding the Fourth Proportional to 4,779.66, 6,592.28 and 4,189.17

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Solution

The fourth proportional to 4,779.66, 6,592.28 and 4,189.17 is: 5,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.66 : 6,592.28 = 4,189.17 : x
  2. Step 2: Convert to fraction form
    4,779.66/6,592.28 = 4,189.17/x
  3. Step 3: Cross multiply
    4,779.66x = 6,592.28 × 4,189.17
  4. Step 4: Simplify right side
    4,779.66x = 27,616,160.66
  5. Step 5: Solve for x
    x = 27,616,160.66/4,779.66
  6. Step 6: Final answer
    x = 5,777.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.