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Finding the Fourth Proportional to 27,208.59, 40,803.62 and 9,435.11

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Solution

The fourth proportional to 27,208.59, 40,803.62 and 9,435.11 is: 14,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208.59 : 40,803.62 = 9,435.11 : x
  2. Step 2: Convert to fraction form
    27,208.59/40,803.62 = 9,435.11/x
  3. Step 3: Cross multiply
    27,208.59x = 40,803.62 × 9,435.11
  4. Step 4: Simplify right side
    27,208.59x = 384,986,391.90
  5. Step 5: Solve for x
    x = 384,986,391.90/27,208.59
  6. Step 6: Final answer
    x = 14,149.44

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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.