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Finding the Fourth Proportional to 14,483.52, 21,724.11 and 5,718.51

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Solution

The fourth proportional to 14,483.52, 21,724.11 and 5,718.51 is: 8,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.52 : 21,724.11 = 5,718.51 : x
  2. Step 2: Convert to fraction form
    14,483.52/21,724.11 = 5,718.51/x
  3. Step 3: Cross multiply
    14,483.52x = 21,724.11 × 5,718.51
  4. Step 4: Simplify right side
    14,483.52x = 124,229,540.28
  5. Step 5: Solve for x
    x = 124,229,540.28/14,483.52
  6. Step 6: Final answer
    x = 8,577.30

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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.