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Finding the Fourth Proportional to 66,050.54, 90,589.39 and 63,337.98

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Solution

The fourth proportional to 66,050.54, 90,589.39 and 63,337.98 is: 86,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.54 : 90,589.39 = 63,337.98 : x
  2. Step 2: Convert to fraction form
    66,050.54/90,589.39 = 63,337.98/x
  3. Step 3: Cross multiply
    66,050.54x = 90,589.39 × 63,337.98
  4. Step 4: Simplify right side
    66,050.54x = 5,737,749,153.40
  5. Step 5: Solve for x
    x = 5,737,749,153.40/66,050.54
  6. Step 6: Final answer
    x = 86,869.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.