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Finding the Fourth Proportional to 27,294.95, 40,942.42 and 15,599.96

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Solution

The fourth proportional to 27,294.95, 40,942.42 and 15,599.96 is: 23,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.95 : 40,942.42 = 15,599.96 : x
  2. Step 2: Convert to fraction form
    27,294.95/40,942.42 = 15,599.96/x
  3. Step 3: Cross multiply
    27,294.95x = 40,942.42 × 15,599.96
  4. Step 4: Simplify right side
    27,294.95x = 638,700,036.30
  5. Step 5: Solve for x
    x = 638,700,036.30/27,294.95
  6. Step 6: Final answer
    x = 23,399.94

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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.