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Finding the Fourth Proportional to 15,999.69, 23,999.66 and 10,487.93

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Solution

The fourth proportional to 15,999.69, 23,999.66 and 10,487.93 is: 15,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.69 : 23,999.66 = 10,487.93 : x
  2. Step 2: Convert to fraction form
    15,999.69/23,999.66 = 10,487.93/x
  3. Step 3: Cross multiply
    15,999.69x = 23,999.66 × 10,487.93
  4. Step 4: Simplify right side
    15,999.69x = 251,706,701.66
  5. Step 5: Solve for x
    x = 251,706,701.66/15,999.69
  6. Step 6: Final answer
    x = 15,731.97

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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.