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Finding the Fourth Proportional to 10,235.03, 15,340.86 and 4,975.11

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Solution

The fourth proportional to 10,235.03, 15,340.86 and 4,975.11 is: 7,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.03 : 15,340.86 = 4,975.11 : x
  2. Step 2: Convert to fraction form
    10,235.03/15,340.86 = 4,975.11/x
  3. Step 3: Cross multiply
    10,235.03x = 15,340.86 × 4,975.11
  4. Step 4: Simplify right side
    10,235.03x = 76,322,465.99
  5. Step 5: Solve for x
    x = 76,322,465.99/10,235.03
  6. Step 6: Final answer
    x = 7,456.99

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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.