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Finding the Fourth Proportional to 14,959.98, 22,438.22 and 3,865.79

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Solution

The fourth proportional to 14,959.98, 22,438.22 and 3,865.79 is: 5,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.98 : 22,438.22 = 3,865.79 : x
  2. Step 2: Convert to fraction form
    14,959.98/22,438.22 = 3,865.79/x
  3. Step 3: Cross multiply
    14,959.98x = 22,438.22 × 3,865.79
  4. Step 4: Simplify right side
    14,959.98x = 86,741,483.26
  5. Step 5: Solve for x
    x = 86,741,483.26/14,959.98
  6. Step 6: Final answer
    x = 5,798.24

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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.