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Finding the Fourth Proportional to 15,690.69, 23,524.63 and 7,366.42

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Solution

The fourth proportional to 15,690.69, 23,524.63 and 7,366.42 is: 11,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.69 : 23,524.63 = 7,366.42 : x
  2. Step 2: Convert to fraction form
    15,690.69/23,524.63 = 7,366.42/x
  3. Step 3: Cross multiply
    15,690.69x = 23,524.63 × 7,366.42
  4. Step 4: Simplify right side
    15,690.69x = 173,292,304.92
  5. Step 5: Solve for x
    x = 173,292,304.92/15,690.69
  6. Step 6: Final answer
    x = 11,044.28

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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.