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Finding the Fourth Proportional to 47,240, 65,191.26 and 26,019.20

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Solution

The fourth proportional to 47,240, 65,191.26 and 26,019.20 is: 35,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,240 : 65,191.26 = 26,019.20 : x
  2. Step 2: Convert to fraction form
    47,240/65,191.26 = 26,019.20/x
  3. Step 3: Cross multiply
    47,240x = 65,191.26 × 26,019.20
  4. Step 4: Simplify right side
    47,240x = 1,696,224,432.19
  5. Step 5: Solve for x
    x = 1,696,224,432.19/47,240
  6. Step 6: Final answer
    x = 35,906.53

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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.