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Finding the Fourth Proportional to 47,115.41, 65,018.49 and 25,894.22

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Solution

The fourth proportional to 47,115.41, 65,018.49 and 25,894.22 is: 35,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.41 : 65,018.49 = 25,894.22 : x
  2. Step 2: Convert to fraction form
    47,115.41/65,018.49 = 25,894.22/x
  3. Step 3: Cross multiply
    47,115.41x = 65,018.49 × 25,894.22
  4. Step 4: Simplify right side
    47,115.41x = 1,683,602,759.04
  5. Step 5: Solve for x
    x = 1,683,602,759.04/47,115.41
  6. Step 6: Final answer
    x = 35,733.59

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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.