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Finding the Fourth Proportional to 47,158.70, 65,078.49 and 25,938.26

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Solution

The fourth proportional to 47,158.70, 65,078.49 and 25,938.26 is: 35,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.70 : 65,078.49 = 25,938.26 : x
  2. Step 2: Convert to fraction form
    47,158.70/65,078.49 = 25,938.26/x
  3. Step 3: Cross multiply
    47,158.70x = 65,078.49 × 25,938.26
  4. Step 4: Simplify right side
    47,158.70x = 1,688,022,794.03
  5. Step 5: Solve for x
    x = 1,688,022,794.03/47,158.70
  6. Step 6: Final answer
    x = 35,794.51

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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.