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Finding the Fourth Proportional to 15,952.59, 23,929.90 and 4,860.05

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Solution

The fourth proportional to 15,952.59, 23,929.90 and 4,860.05 is: 7,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.59 : 23,929.90 = 4,860.05 : x
  2. Step 2: Convert to fraction form
    15,952.59/23,929.90 = 4,860.05/x
  3. Step 3: Cross multiply
    15,952.59x = 23,929.90 × 4,860.05
  4. Step 4: Simplify right side
    15,952.59x = 116,300,378.70
  5. Step 5: Solve for x
    x = 116,300,378.70/15,952.59
  6. Step 6: Final answer
    x = 7,290.38

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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.