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Finding the Fourth Proportional to 27,087.70, 40,597.72 and 13,045.11

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Solution

The fourth proportional to 27,087.70, 40,597.72 and 13,045.11 is: 19,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.70 : 40,597.72 = 13,045.11 : x
  2. Step 2: Convert to fraction form
    27,087.70/40,597.72 = 13,045.11/x
  3. Step 3: Cross multiply
    27,087.70x = 40,597.72 × 13,045.11
  4. Step 4: Simplify right side
    27,087.70x = 529,601,723.15
  5. Step 5: Solve for x
    x = 529,601,723.15/27,087.70
  6. Step 6: Final answer
    x = 19,551.37

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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.