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Finding the Fourth Proportional to 60,901.07, 91,289.07 and 30,859.79

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Solution

The fourth proportional to 60,901.07, 91,289.07 and 30,859.79 is: 46,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,901.07 : 91,289.07 = 30,859.79 : x
  2. Step 2: Convert to fraction form
    60,901.07/91,289.07 = 30,859.79/x
  3. Step 3: Cross multiply
    60,901.07x = 91,289.07 × 30,859.79
  4. Step 4: Simplify right side
    60,901.07x = 2,817,161,073.05
  5. Step 5: Solve for x
    x = 2,817,161,073.05/60,901.07
  6. Step 6: Final answer
    x = 46,257.99

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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.