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Finding the Fourth Proportional to 23,694.31, 32,703.51 and 16,987.51

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Solution

The fourth proportional to 23,694.31, 32,703.51 and 16,987.51 is: 23,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,694.31 : 32,703.51 = 16,987.51 : x
  2. Step 2: Convert to fraction form
    23,694.31/32,703.51 = 16,987.51/x
  3. Step 3: Cross multiply
    23,694.31x = 32,703.51 × 16,987.51
  4. Step 4: Simplify right side
    23,694.31x = 555,551,203.16
  5. Step 5: Solve for x
    x = 555,551,203.16/23,694.31
  6. Step 6: Final answer
    x = 23,446.61

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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.