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Finding the Fourth Proportional to 47,156.70, 65,074.38 and 25,934.70

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Solution

The fourth proportional to 47,156.70, 65,074.38 and 25,934.70 is: 35,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.70 : 65,074.38 = 25,934.70 : x
  2. Step 2: Convert to fraction form
    47,156.70/65,074.38 = 25,934.70/x
  3. Step 3: Cross multiply
    47,156.70x = 65,074.38 × 25,934.70
  4. Step 4: Simplify right side
    47,156.70x = 1,687,684,522.99
  5. Step 5: Solve for x
    x = 1,687,684,522.99/47,156.70
  6. Step 6: Final answer
    x = 35,788.86

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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.