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Finding the Fourth Proportional to 5,017.92, 6,924.79 and 2,779.83

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Solution

The fourth proportional to 5,017.92, 6,924.79 and 2,779.83 is: 3,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.92 : 6,924.79 = 2,779.83 : x
  2. Step 2: Convert to fraction form
    5,017.92/6,924.79 = 2,779.83/x
  3. Step 3: Cross multiply
    5,017.92x = 6,924.79 × 2,779.83
  4. Step 4: Simplify right side
    5,017.92x = 19,249,738.99
  5. Step 5: Solve for x
    x = 19,249,738.99/5,017.92
  6. Step 6: Final answer
    x = 3,836.20

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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.