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Finding the Fourth Proportional to 5,293.70, 7,929.84 and 2,523.06

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Solution

The fourth proportional to 5,293.70, 7,929.84 and 2,523.06 is: 3,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.70 : 7,929.84 = 2,523.06 : x
  2. Step 2: Convert to fraction form
    5,293.70/7,929.84 = 2,523.06/x
  3. Step 3: Cross multiply
    5,293.70x = 7,929.84 × 2,523.06
  4. Step 4: Simplify right side
    5,293.70x = 20,007,462.11
  5. Step 5: Solve for x
    x = 20,007,462.11/5,293.70
  6. Step 6: Final answer
    x = 3,779.49

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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.