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Finding the Fourth Proportional to 66,125.84, 91,269.54 and 37,847.93

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Solution

The fourth proportional to 66,125.84, 91,269.54 and 37,847.93 is: 52,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.84 : 91,269.54 = 37,847.93 : x
  2. Step 2: Convert to fraction form
    66,125.84/91,269.54 = 37,847.93/x
  3. Step 3: Cross multiply
    66,125.84x = 91,269.54 × 37,847.93
  4. Step 4: Simplify right side
    66,125.84x = 3,454,363,161.05
  5. Step 5: Solve for x
    x = 3,454,363,161.05/66,125.84
  6. Step 6: Final answer
    x = 52,239.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.