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Finding the Fourth Proportional to 77,323.95, 115,951.07 and 27,392.69

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Solution

The fourth proportional to 77,323.95, 115,951.07 and 27,392.69 is: 41,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,323.95 : 115,951.07 = 27,392.69 : x
  2. Step 2: Convert to fraction form
    77,323.95/115,951.07 = 27,392.69/x
  3. Step 3: Cross multiply
    77,323.95x = 115,951.07 × 27,392.69
  4. Step 4: Simplify right side
    77,323.95x = 3,176,211,339.63
  5. Step 5: Solve for x
    x = 3,176,211,339.63/77,323.95
  6. Step 6: Final answer
    x = 41,076.68

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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.