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Finding the Fourth Proportional to 15,323.17, 22,988.86 and 8,301.53

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Solution

The fourth proportional to 15,323.17, 22,988.86 and 8,301.53 is: 12,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.17 : 22,988.86 = 8,301.53 : x
  2. Step 2: Convert to fraction form
    15,323.17/22,988.86 = 8,301.53/x
  3. Step 3: Cross multiply
    15,323.17x = 22,988.86 × 8,301.53
  4. Step 4: Simplify right side
    15,323.17x = 190,842,669.45
  5. Step 5: Solve for x
    x = 190,842,669.45/15,323.17
  6. Step 6: Final answer
    x = 12,454.52

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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.