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Finding the Fourth Proportional to 14,959.52, 22,437.68 and 6,639.68

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Solution

The fourth proportional to 14,959.52, 22,437.68 and 6,639.68 is: 9,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.52 : 22,437.68 = 6,639.68 : x
  2. Step 2: Convert to fraction form
    14,959.52/22,437.68 = 6,639.68/x
  3. Step 3: Cross multiply
    14,959.52x = 22,437.68 × 6,639.68
  4. Step 4: Simplify right side
    14,959.52x = 148,979,015.14
  5. Step 5: Solve for x
    x = 148,979,015.14/14,959.52
  6. Step 6: Final answer
    x = 9,958.81

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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.