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Finding the Fourth Proportional to 25,601.63, 38,402.46 and 7,133.63

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Solution

The fourth proportional to 25,601.63, 38,402.46 and 7,133.63 is: 10,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.63 : 38,402.46 = 7,133.63 : x
  2. Step 2: Convert to fraction form
    25,601.63/38,402.46 = 7,133.63/x
  3. Step 3: Cross multiply
    25,601.63x = 38,402.46 × 7,133.63
  4. Step 4: Simplify right side
    25,601.63x = 273,948,748.72
  5. Step 5: Solve for x
    x = 273,948,748.72/25,601.63
  6. Step 6: Final answer
    x = 10,700.44

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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.