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Finding the Fourth Proportional to 47,115.78, 65,017.03 and 25,895.07

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Solution

The fourth proportional to 47,115.78, 65,017.03 and 25,895.07 is: 35,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.78 : 65,017.03 = 25,895.07 : x
  2. Step 2: Convert to fraction form
    47,115.78/65,017.03 = 25,895.07/x
  3. Step 3: Cross multiply
    47,115.78x = 65,017.03 × 25,895.07
  4. Step 4: Simplify right side
    47,115.78x = 1,683,620,217.96
  5. Step 5: Solve for x
    x = 1,683,620,217.96/47,115.78
  6. Step 6: Final answer
    x = 35,733.68

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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.