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Finding the Fourth Proportional to 14,993.92, 22,490.88 and 6,561.28

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Solution

The fourth proportional to 14,993.92, 22,490.88 and 6,561.28 is: 9,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.92 : 22,490.88 = 6,561.28 : x
  2. Step 2: Convert to fraction form
    14,993.92/22,490.88 = 6,561.28/x
  3. Step 3: Cross multiply
    14,993.92x = 22,490.88 × 6,561.28
  4. Step 4: Simplify right side
    14,993.92x = 147,568,961.13
  5. Step 5: Solve for x
    x = 147,568,961.13/14,993.92
  6. Step 6: Final answer
    x = 9,841.92

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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.