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Finding the Fourth Proportional to 60,803.61, 91,205.34 and 33,803.16

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Solution

The fourth proportional to 60,803.61, 91,205.34 and 33,803.16 is: 50,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,803.61 : 91,205.34 = 33,803.16 : x
  2. Step 2: Convert to fraction form
    60,803.61/91,205.34 = 33,803.16/x
  3. Step 3: Cross multiply
    60,803.61x = 91,205.34 × 33,803.16
  4. Step 4: Simplify right side
    60,803.61x = 3,083,028,700.87
  5. Step 5: Solve for x
    x = 3,083,028,700.87/60,803.61
  6. Step 6: Final answer
    x = 50,704.70

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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.