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Finding the Fourth Proportional to 15,323.67, 22,987.67 and 5,460.03

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Solution

The fourth proportional to 15,323.67, 22,987.67 and 5,460.03 is: 8,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.67 : 22,987.67 = 5,460.03 : x
  2. Step 2: Convert to fraction form
    15,323.67/22,987.67 = 5,460.03/x
  3. Step 3: Cross multiply
    15,323.67x = 22,987.67 × 5,460.03
  4. Step 4: Simplify right side
    15,323.67x = 125,513,340.53
  5. Step 5: Solve for x
    x = 125,513,340.53/15,323.67
  6. Step 6: Final answer
    x = 8,190.81

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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.