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Finding the Fourth Proportional to 76,522.38, 105,570.62 and 44,251.16

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Solution

The fourth proportional to 76,522.38, 105,570.62 and 44,251.16 is: 61,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,522.38 : 105,570.62 = 44,251.16 : x
  2. Step 2: Convert to fraction form
    76,522.38/105,570.62 = 44,251.16/x
  3. Step 3: Cross multiply
    76,522.38x = 105,570.62 × 44,251.16
  4. Step 4: Simplify right side
    76,522.38x = 4,671,622,396.92
  5. Step 5: Solve for x
    x = 4,671,622,396.92/76,522.38
  6. Step 6: Final answer
    x = 61,049.10

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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.