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Finding the Fourth Proportional to 7,284.47, 10,927.80 and 2,901.69

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Solution

The fourth proportional to 7,284.47, 10,927.80 and 2,901.69 is: 4,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.47 : 10,927.80 = 2,901.69 : x
  2. Step 2: Convert to fraction form
    7,284.47/10,927.80 = 2,901.69/x
  3. Step 3: Cross multiply
    7,284.47x = 10,927.80 × 2,901.69
  4. Step 4: Simplify right side
    7,284.47x = 31,709,087.98
  5. Step 5: Solve for x
    x = 31,709,087.98/7,284.47
  6. Step 6: Final answer
    x = 4,352.97

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1.5x scale

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.