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Finding the Fourth Proportional to 5,017.55, 6,924.13 and 2,779.42

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Solution

The fourth proportional to 5,017.55, 6,924.13 and 2,779.42 is: 3,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.55 : 6,924.13 = 2,779.42 : x
  2. Step 2: Convert to fraction form
    5,017.55/6,924.13 = 2,779.42/x
  3. Step 3: Cross multiply
    5,017.55x = 6,924.13 × 2,779.42
  4. Step 4: Simplify right side
    5,017.55x = 19,245,089.24
  5. Step 5: Solve for x
    x = 19,245,089.24/5,017.55
  6. Step 6: Final answer
    x = 3,835.55

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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.