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Finding the Fourth Proportional to 23,717.32, 35,581.06 and 7,078.66

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Solution

The fourth proportional to 23,717.32, 35,581.06 and 7,078.66 is: 10,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,717.32 : 35,581.06 = 7,078.66 : x
  2. Step 2: Convert to fraction form
    23,717.32/35,581.06 = 7,078.66/x
  3. Step 3: Cross multiply
    23,717.32x = 35,581.06 × 7,078.66
  4. Step 4: Simplify right side
    23,717.32x = 251,866,226.18
  5. Step 5: Solve for x
    x = 251,866,226.18/23,717.32
  6. Step 6: Final answer
    x = 10,619.51

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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.