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Finding the Fourth Proportional to 11,287.46, 16,928.46 and 4,710.08

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Solution

The fourth proportional to 11,287.46, 16,928.46 and 4,710.08 is: 7,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.46 : 16,928.46 = 4,710.08 : x
  2. Step 2: Convert to fraction form
    11,287.46/16,928.46 = 4,710.08/x
  3. Step 3: Cross multiply
    11,287.46x = 16,928.46 × 4,710.08
  4. Step 4: Simplify right side
    11,287.46x = 79,734,316.23
  5. Step 5: Solve for x
    x = 79,734,316.23/11,287.46
  6. Step 6: Final answer
    x = 7,063.98

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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.