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Finding the Fourth Proportional to 11,057.60, 16,562.10 and 9,599.60

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Solution

The fourth proportional to 11,057.60, 16,562.10 and 9,599.60 is: 14,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.60 : 16,562.10 = 9,599.60 : x
  2. Step 2: Convert to fraction form
    11,057.60/16,562.10 = 9,599.60/x
  3. Step 3: Cross multiply
    11,057.60x = 16,562.10 × 9,599.60
  4. Step 4: Simplify right side
    11,057.60x = 158,989,535.16
  5. Step 5: Solve for x
    x = 158,989,535.16/11,057.60
  6. Step 6: Final answer
    x = 14,378.30

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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.