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Finding the Fourth Proportional to 47,161.59, 65,081.93 and 25,940.40

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Solution

The fourth proportional to 47,161.59, 65,081.93 and 25,940.40 is: 35,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.59 : 65,081.93 = 25,940.40 : x
  2. Step 2: Convert to fraction form
    47,161.59/65,081.93 = 25,940.40/x
  3. Step 3: Cross multiply
    47,161.59x = 65,081.93 × 25,940.40
  4. Step 4: Simplify right side
    47,161.59x = 1,688,251,167.27
  5. Step 5: Solve for x
    x = 1,688,251,167.27/47,161.59
  6. Step 6: Final answer
    x = 35,797.16

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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.