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Finding the Fourth Proportional to 6,273.71, 9,412.16 and 4,428.44

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Solution

The fourth proportional to 6,273.71, 9,412.16 and 4,428.44 is: 6,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,273.71 : 9,412.16 = 4,428.44 : x
  2. Step 2: Convert to fraction form
    6,273.71/9,412.16 = 4,428.44/x
  3. Step 3: Cross multiply
    6,273.71x = 9,412.16 × 4,428.44
  4. Step 4: Simplify right side
    6,273.71x = 41,681,116.63
  5. Step 5: Solve for x
    x = 41,681,116.63/6,273.71
  6. Step 6: Final answer
    x = 6,643.77

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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.