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Finding the Fourth Proportional to 16,368.40, 24,552.60 and 11,443.60

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Solution

The fourth proportional to 16,368.40, 24,552.60 and 11,443.60 is: 17,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,368.40 : 24,552.60 = 11,443.60 : x
  2. Step 2: Convert to fraction form
    16,368.40/24,552.60 = 11,443.60/x
  3. Step 3: Cross multiply
    16,368.40x = 24,552.60 × 11,443.60
  4. Step 4: Simplify right side
    16,368.40x = 280,970,133.36
  5. Step 5: Solve for x
    x = 280,970,133.36/16,368.40
  6. Step 6: Final answer
    x = 17,165.40

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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.