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Finding the Fourth Proportional to 60,787.39, 83,900.60 and 35,644.99

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Solution

The fourth proportional to 60,787.39, 83,900.60 and 35,644.99 is: 49,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,787.39 : 83,900.60 = 35,644.99 : x
  2. Step 2: Convert to fraction form
    60,787.39/83,900.60 = 35,644.99/x
  3. Step 3: Cross multiply
    60,787.39x = 83,900.60 × 35,644.99
  4. Step 4: Simplify right side
    60,787.39x = 2,990,636,047.99
  5. Step 5: Solve for x
    x = 2,990,636,047.99/60,787.39
  6. Step 6: Final answer
    x = 49,198.30

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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.