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Finding the Fourth Proportional to 16,888.88, 25,331.16 and 7,026.32

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Solution

The fourth proportional to 16,888.88, 25,331.16 and 7,026.32 is: 10,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.88 : 25,331.16 = 7,026.32 : x
  2. Step 2: Convert to fraction form
    16,888.88/25,331.16 = 7,026.32/x
  3. Step 3: Cross multiply
    16,888.88x = 25,331.16 × 7,026.32
  4. Step 4: Simplify right side
    16,888.88x = 177,984,836.13
  5. Step 5: Solve for x
    x = 177,984,836.13/16,888.88
  6. Step 6: Final answer
    x = 10,538.58

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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.