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Finding the Fourth Proportional to 45,907.89, 68,797.16 and 36,506.18

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Solution

The fourth proportional to 45,907.89, 68,797.16 and 36,506.18 is: 54,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,907.89 : 68,797.16 = 36,506.18 : x
  2. Step 2: Convert to fraction form
    45,907.89/68,797.16 = 36,506.18/x
  3. Step 3: Cross multiply
    45,907.89x = 68,797.16 × 36,506.18
  4. Step 4: Simplify right side
    45,907.89x = 2,511,521,506.45
  5. Step 5: Solve for x
    x = 2,511,521,506.45/45,907.89
  6. Step 6: Final answer
    x = 54,707.84

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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.