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Finding the Fourth Proportional to 17,342.70, 26,002.53 and 7,479.42

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Solution

The fourth proportional to 17,342.70, 26,002.53 and 7,479.42 is: 11,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,342.70 : 26,002.53 = 7,479.42 : x
  2. Step 2: Convert to fraction form
    17,342.70/26,002.53 = 7,479.42/x
  3. Step 3: Cross multiply
    17,342.70x = 26,002.53 × 7,479.42
  4. Step 4: Simplify right side
    17,342.70x = 194,483,842.93
  5. Step 5: Solve for x
    x = 194,483,842.93/17,342.70
  6. Step 6: Final answer
    x = 11,214.16

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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.