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Finding the Fourth Proportional to 28,840, 39,763.14 and 24,066.82

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Solution

The fourth proportional to 28,840, 39,763.14 and 24,066.82 is: 33,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840 : 39,763.14 = 24,066.82 : x
  2. Step 2: Convert to fraction form
    28,840/39,763.14 = 24,066.82/x
  3. Step 3: Cross multiply
    28,840x = 39,763.14 × 24,066.82
  4. Step 4: Simplify right side
    28,840x = 956,972,333.01
  5. Step 5: Solve for x
    x = 956,972,333.01/28,840
  6. Step 6: Final answer
    x = 33,182.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.