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Finding the Fourth Proportional to 15,937.62, 21,994.48 and 8,768.10

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Solution

The fourth proportional to 15,937.62, 21,994.48 and 8,768.10 is: 12,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.62 : 21,994.48 = 8,768.10 : x
  2. Step 2: Convert to fraction form
    15,937.62/21,994.48 = 8,768.10/x
  3. Step 3: Cross multiply
    15,937.62x = 21,994.48 × 8,768.10
  4. Step 4: Simplify right side
    15,937.62x = 192,849,800.09
  5. Step 5: Solve for x
    x = 192,849,800.09/15,937.62
  6. Step 6: Final answer
    x = 12,100.29

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1.5x scale

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.