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Finding the Fourth Proportional to 17,684.32, 26,526.48 and 9,888.88

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Solution

The fourth proportional to 17,684.32, 26,526.48 and 9,888.88 is: 14,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.32 : 26,526.48 = 9,888.88 : x
  2. Step 2: Convert to fraction form
    17,684.32/26,526.48 = 9,888.88/x
  3. Step 3: Cross multiply
    17,684.32x = 26,526.48 × 9,888.88
  4. Step 4: Simplify right side
    17,684.32x = 262,317,177.54
  5. Step 5: Solve for x
    x = 262,317,177.54/17,684.32
  6. Step 6: Final answer
    x = 14,833.32

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Similar ratio
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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.