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Finding the Fourth Proportional to 19,242.72, 28,865.13 and 6,094.11

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Solution

The fourth proportional to 19,242.72, 28,865.13 and 6,094.11 is: 9,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.72 : 28,865.13 = 6,094.11 : x
  2. Step 2: Convert to fraction form
    19,242.72/28,865.13 = 6,094.11/x
  3. Step 3: Cross multiply
    19,242.72x = 28,865.13 × 6,094.11
  4. Step 4: Simplify right side
    19,242.72x = 175,907,277.38
  5. Step 5: Solve for x
    x = 175,907,277.38/19,242.72
  6. Step 6: Final answer
    x = 9,141.50

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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.