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Finding the Fourth Proportional to 11,248.55, 16,874.88 and 5,629.16

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Solution

The fourth proportional to 11,248.55, 16,874.88 and 5,629.16 is: 8,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.55 : 16,874.88 = 5,629.16 : x
  2. Step 2: Convert to fraction form
    11,248.55/16,874.88 = 5,629.16/x
  3. Step 3: Cross multiply
    11,248.55x = 16,874.88 × 5,629.16
  4. Step 4: Simplify right side
    11,248.55x = 94,991,399.50
  5. Step 5: Solve for x
    x = 94,991,399.50/11,248.55
  6. Step 6: Final answer
    x = 8,444.77

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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.