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Finding the Fourth Proportional to 8,650.59, 12,967.68 and 2,803.09

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Solution

The fourth proportional to 8,650.59, 12,967.68 and 2,803.09 is: 4,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.59 : 12,967.68 = 2,803.09 : x
  2. Step 2: Convert to fraction form
    8,650.59/12,967.68 = 2,803.09/x
  3. Step 3: Cross multiply
    8,650.59x = 12,967.68 × 2,803.09
  4. Step 4: Simplify right side
    8,650.59x = 36,349,574.13
  5. Step 5: Solve for x
    x = 36,349,574.13/8,650.59
  6. Step 6: Final answer
    x = 4,201.98

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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.