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Finding the Fourth Proportional to 8,801.99, 13,206.02 and 5,511.16

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Solution

The fourth proportional to 8,801.99, 13,206.02 and 5,511.16 is: 8,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.99 : 13,206.02 = 5,511.16 : x
  2. Step 2: Convert to fraction form
    8,801.99/13,206.02 = 5,511.16/x
  3. Step 3: Cross multiply
    8,801.99x = 13,206.02 × 5,511.16
  4. Step 4: Simplify right side
    8,801.99x = 72,780,428.61
  5. Step 5: Solve for x
    x = 72,780,428.61/8,801.99
  6. Step 6: Final answer
    x = 8,268.64

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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.