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Finding the Fourth Proportional to 77,523.52, 116,285.74 and 27,605.56

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Solution

The fourth proportional to 77,523.52, 116,285.74 and 27,605.56 is: 41,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523.52 : 116,285.74 = 27,605.56 : x
  2. Step 2: Convert to fraction form
    77,523.52/116,285.74 = 27,605.56/x
  3. Step 3: Cross multiply
    77,523.52x = 116,285.74 × 27,605.56
  4. Step 4: Simplify right side
    77,523.52x = 3,210,132,972.71
  5. Step 5: Solve for x
    x = 3,210,132,972.71/77,523.52
  6. Step 6: Final answer
    x = 41,408.50

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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.