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Finding the Fourth Proportional to 9,241.66, 12,753.48 and 4,992.72

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Solution

The fourth proportional to 9,241.66, 12,753.48 and 4,992.72 is: 6,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241.66 : 12,753.48 = 4,992.72 : x
  2. Step 2: Convert to fraction form
    9,241.66/12,753.48 = 4,992.72/x
  3. Step 3: Cross multiply
    9,241.66x = 12,753.48 × 4,992.72
  4. Step 4: Simplify right side
    9,241.66x = 63,674,554.67
  5. Step 5: Solve for x
    x = 63,674,554.67/9,241.66
  6. Step 6: Final answer
    x = 6,889.95

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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.