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Finding the Fourth Proportional to 47,158.29, 65,078.10 and 25,937.10

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Solution

The fourth proportional to 47,158.29, 65,078.10 and 25,937.10 is: 35,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.29 : 65,078.10 = 25,937.10 : x
  2. Step 2: Convert to fraction form
    47,158.29/65,078.10 = 25,937.10/x
  3. Step 3: Cross multiply
    47,158.29x = 65,078.10 × 25,937.10
  4. Step 4: Simplify right side
    47,158.29x = 1,687,937,187.51
  5. Step 5: Solve for x
    x = 1,687,937,187.51/47,158.29
  6. Step 6: Final answer
    x = 35,793.01

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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.