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Finding the Fourth Proportional to 14,282.77, 21,424.77 and 4,422.25

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Solution

The fourth proportional to 14,282.77, 21,424.77 and 4,422.25 is: 6,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.77 : 21,424.77 = 4,422.25 : x
  2. Step 2: Convert to fraction form
    14,282.77/21,424.77 = 4,422.25/x
  3. Step 3: Cross multiply
    14,282.77x = 21,424.77 × 4,422.25
  4. Step 4: Simplify right side
    14,282.77x = 94,745,689.13
  5. Step 5: Solve for x
    x = 94,745,689.13/14,282.77
  6. Step 6: Final answer
    x = 6,633.57

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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.