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Finding the Fourth Proportional to 77,637.39, 116,480.69 and 27,716.39

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Solution

The fourth proportional to 77,637.39, 116,480.69 and 27,716.39 is: 41,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,637.39 : 116,480.69 = 27,716.39 : x
  2. Step 2: Convert to fraction form
    77,637.39/116,480.69 = 27,716.39/x
  3. Step 3: Cross multiply
    77,637.39x = 116,480.69 × 27,716.39
  4. Step 4: Simplify right side
    77,637.39x = 3,228,423,510.52
  5. Step 5: Solve for x
    x = 3,228,423,510.52/77,637.39
  6. Step 6: Final answer
    x = 41,583.36

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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.