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Finding the Fourth Proportional to 15,315.98, 22,963.15 and 5,948.19

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Solution

The fourth proportional to 15,315.98, 22,963.15 and 5,948.19 is: 8,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.98 : 22,963.15 = 5,948.19 : x
  2. Step 2: Convert to fraction form
    15,315.98/22,963.15 = 5,948.19/x
  3. Step 3: Cross multiply
    15,315.98x = 22,963.15 × 5,948.19
  4. Step 4: Simplify right side
    15,315.98x = 136,589,186.63
  5. Step 5: Solve for x
    x = 136,589,186.63/15,315.98
  6. Step 6: Final answer
    x = 8,918.09

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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.