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Finding the Fourth Proportional to 8,808.01, 12,158.93 and 6,165.79

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Solution

The fourth proportional to 8,808.01, 12,158.93 and 6,165.79 is: 8,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.01 : 12,158.93 = 6,165.79 : x
  2. Step 2: Convert to fraction form
    8,808.01/12,158.93 = 6,165.79/x
  3. Step 3: Cross multiply
    8,808.01x = 12,158.93 × 6,165.79
  4. Step 4: Simplify right side
    8,808.01x = 74,969,409.00
  5. Step 5: Solve for x
    x = 74,969,409.00/8,808.01
  6. Step 6: Final answer
    x = 8,511.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.