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Finding the Fourth Proportional to 23,457.78, 35,089.39 and 17,868.82

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Solution

The fourth proportional to 23,457.78, 35,089.39 and 17,868.82 is: 26,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,457.78 : 35,089.39 = 17,868.82 : x
  2. Step 2: Convert to fraction form
    23,457.78/35,089.39 = 17,868.82/x
  3. Step 3: Cross multiply
    23,457.78x = 35,089.39 × 17,868.82
  4. Step 4: Simplify right side
    23,457.78x = 627,005,993.82
  5. Step 5: Solve for x
    x = 627,005,993.82/23,457.78
  6. Step 6: Final answer
    x = 26,729.13

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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.