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Finding the Fourth Proportional to 51,584.77, 77,399.42 and 27,908.99

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Solution

The fourth proportional to 51,584.77, 77,399.42 and 27,908.99 is: 41,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,584.77 : 77,399.42 = 27,908.99 : x
  2. Step 2: Convert to fraction form
    51,584.77/77,399.42 = 27,908.99/x
  3. Step 3: Cross multiply
    51,584.77x = 77,399.42 × 27,908.99
  4. Step 4: Simplify right side
    51,584.77x = 2,160,139,402.49
  5. Step 5: Solve for x
    x = 2,160,139,402.49/51,584.77
  6. Step 6: Final answer
    x = 41,875.53

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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.