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Finding the Fourth Proportional to 15,953.72, 23,934.04 and 4,860.12

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Solution

The fourth proportional to 15,953.72, 23,934.04 and 4,860.12 is: 7,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.72 : 23,934.04 = 4,860.12 : x
  2. Step 2: Convert to fraction form
    15,953.72/23,934.04 = 4,860.12/x
  3. Step 3: Cross multiply
    15,953.72x = 23,934.04 × 4,860.12
  4. Step 4: Simplify right side
    15,953.72x = 116,322,306.48
  5. Step 5: Solve for x
    x = 116,322,306.48/15,953.72
  6. Step 6: Final answer
    x = 7,291.23

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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.