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Finding the Fourth Proportional to 16,240.80, 24,322.80 and 11,018.40

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Solution

The fourth proportional to 16,240.80, 24,322.80 and 11,018.40 is: 16,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.80 : 24,322.80 = 11,018.40 : x
  2. Step 2: Convert to fraction form
    16,240.80/24,322.80 = 11,018.40/x
  3. Step 3: Cross multiply
    16,240.80x = 24,322.80 × 11,018.40
  4. Step 4: Simplify right side
    16,240.80x = 267,998,339.52
  5. Step 5: Solve for x
    x = 267,998,339.52/16,240.80
  6. Step 6: Final answer
    x = 16,501.55

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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.