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Finding the Fourth Proportional to 47,124.70, 65,026.74 and 25,902.70

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Solution

The fourth proportional to 47,124.70, 65,026.74 and 25,902.70 is: 35,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,124.70 : 65,026.74 = 25,902.70 : x
  2. Step 2: Convert to fraction form
    47,124.70/65,026.74 = 25,902.70/x
  3. Step 3: Cross multiply
    47,124.70x = 65,026.74 × 25,902.70
  4. Step 4: Simplify right side
    47,124.70x = 1,684,368,138.20
  5. Step 5: Solve for x
    x = 1,684,368,138.20/47,124.70
  6. Step 6: Final answer
    x = 35,742.79

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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.