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Finding the Fourth Proportional to 50,977.38, 76,479.86 and 36,279.60

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Solution

The fourth proportional to 50,977.38, 76,479.86 and 36,279.60 is: 54,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.38 : 76,479.86 = 36,279.60 : x
  2. Step 2: Convert to fraction form
    50,977.38/76,479.86 = 36,279.60/x
  3. Step 3: Cross multiply
    50,977.38x = 76,479.86 × 36,279.60
  4. Step 4: Simplify right side
    50,977.38x = 2,774,658,547.46
  5. Step 5: Solve for x
    x = 2,774,658,547.46/50,977.38
  6. Step 6: Final answer
    x = 54,429.21

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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.