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Finding the Fourth Proportional to 25,739.64, 38,598.52 and 8,874.49

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Solution

The fourth proportional to 25,739.64, 38,598.52 and 8,874.49 is: 13,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.64 : 38,598.52 = 8,874.49 : x
  2. Step 2: Convert to fraction form
    25,739.64/38,598.52 = 8,874.49/x
  3. Step 3: Cross multiply
    25,739.64x = 38,598.52 × 8,874.49
  4. Step 4: Simplify right side
    25,739.64x = 342,542,222.46
  5. Step 5: Solve for x
    x = 342,542,222.46/25,739.64
  6. Step 6: Final answer
    x = 13,307.97

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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.