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Finding the Fourth Proportional to 17,405.92, 26,118.96 and 7,014.88

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Solution

The fourth proportional to 17,405.92, 26,118.96 and 7,014.88 is: 10,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.92 : 26,118.96 = 7,014.88 : x
  2. Step 2: Convert to fraction form
    17,405.92/26,118.96 = 7,014.88/x
  3. Step 3: Cross multiply
    17,405.92x = 26,118.96 × 7,014.88
  4. Step 4: Simplify right side
    17,405.92x = 183,221,370.12
  5. Step 5: Solve for x
    x = 183,221,370.12/17,405.92
  6. Step 6: Final answer
    x = 10,526.38

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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.