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Finding the Fourth Proportional to 15,999.80, 23,999.70 and 14,833.40

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Solution

The fourth proportional to 15,999.80, 23,999.70 and 14,833.40 is: 22,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.80 : 23,999.70 = 14,833.40 : x
  2. Step 2: Convert to fraction form
    15,999.80/23,999.70 = 14,833.40/x
  3. Step 3: Cross multiply
    15,999.80x = 23,999.70 × 14,833.40
  4. Step 4: Simplify right side
    15,999.80x = 355,997,149.98
  5. Step 5: Solve for x
    x = 355,997,149.98/15,999.80
  6. Step 6: Final answer
    x = 22,250.10

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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.