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Finding the Fourth Proportional to 23,999.70, 36,017.55 and 12,306.90

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Solution

The fourth proportional to 23,999.70, 36,017.55 and 12,306.90 is: 18,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.70 : 36,017.55 = 12,306.90 : x
  2. Step 2: Convert to fraction form
    23,999.70/36,017.55 = 12,306.90/x
  3. Step 3: Cross multiply
    23,999.70x = 36,017.55 × 12,306.90
  4. Step 4: Simplify right side
    23,999.70x = 443,264,386.10
  5. Step 5: Solve for x
    x = 443,264,386.10/23,999.70
  6. Step 6: Final answer
    x = 18,469.58

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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.