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Finding the Fourth Proportional to 23,387.64, 35,081.46 and 7,806.48

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Solution

The fourth proportional to 23,387.64, 35,081.46 and 7,806.48 is: 11,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.64 : 35,081.46 = 7,806.48 : x
  2. Step 2: Convert to fraction form
    23,387.64/35,081.46 = 7,806.48/x
  3. Step 3: Cross multiply
    23,387.64x = 35,081.46 × 7,806.48
  4. Step 4: Simplify right side
    23,387.64x = 273,862,715.86
  5. Step 5: Solve for x
    x = 273,862,715.86/23,387.64
  6. Step 6: Final answer
    x = 11,709.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.