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Finding the Fourth Proportional to 47,159.99, 65,079.82 and 25,650.15

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Solution

The fourth proportional to 47,159.99, 65,079.82 and 25,650.15 is: 35,396.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.99 : 65,079.82 = 25,650.15 : x
  2. Step 2: Convert to fraction form
    47,159.99/65,079.82 = 25,650.15/x
  3. Step 3: Cross multiply
    47,159.99x = 65,079.82 × 25,650.15
  4. Step 4: Simplify right side
    47,159.99x = 1,669,307,144.97
  5. Step 5: Solve for x
    x = 1,669,307,144.97/47,159.99
  6. Step 6: Final answer
    x = 35,396.68

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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.