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Finding the Fourth Proportional to 8,807.85, 13,192.34 and 8,598.87

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Solution

The fourth proportional to 8,807.85, 13,192.34 and 8,598.87 is: 12,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.85 : 13,192.34 = 8,598.87 : x
  2. Step 2: Convert to fraction form
    8,807.85/13,192.34 = 8,598.87/x
  3. Step 3: Cross multiply
    8,807.85x = 13,192.34 × 8,598.87
  4. Step 4: Simplify right side
    8,807.85x = 113,439,173.66
  5. Step 5: Solve for x
    x = 113,439,173.66/8,807.85
  6. Step 6: Final answer
    x = 12,879.33

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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.