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Finding the Fourth Proportional to 15,999.81, 23,999.84 and 10,488.06

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Solution

The fourth proportional to 15,999.81, 23,999.84 and 10,488.06 is: 15,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.81 : 23,999.84 = 10,488.06 : x
  2. Step 2: Convert to fraction form
    15,999.81/23,999.84 = 10,488.06/x
  3. Step 3: Cross multiply
    15,999.81x = 23,999.84 × 10,488.06
  4. Step 4: Simplify right side
    15,999.81x = 251,711,761.91
  5. Step 5: Solve for x
    x = 251,711,761.91/15,999.81
  6. Step 6: Final answer
    x = 15,732.17

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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.