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Finding the Fourth Proportional to 18,864.04, 28,296.06 and 4,824.10

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Solution

The fourth proportional to 18,864.04, 28,296.06 and 4,824.10 is: 7,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.04 : 28,296.06 = 4,824.10 : x
  2. Step 2: Convert to fraction form
    18,864.04/28,296.06 = 4,824.10/x
  3. Step 3: Cross multiply
    18,864.04x = 28,296.06 × 4,824.10
  4. Step 4: Simplify right side
    18,864.04x = 136,503,023.05
  5. Step 5: Solve for x
    x = 136,503,023.05/18,864.04
  6. Step 6: Final answer
    x = 7,236.15

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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.