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Finding the Fourth Proportional to 56,785.94, 78,382.95 and 36,627.26

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Solution

The fourth proportional to 56,785.94, 78,382.95 and 36,627.26 is: 50,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785.94 : 78,382.95 = 36,627.26 : x
  2. Step 2: Convert to fraction form
    56,785.94/78,382.95 = 36,627.26/x
  3. Step 3: Cross multiply
    56,785.94x = 78,382.95 × 36,627.26
  4. Step 4: Simplify right side
    56,785.94x = 2,870,952,297.30
  5. Step 5: Solve for x
    x = 2,870,952,297.30/56,785.94
  6. Step 6: Final answer
    x = 50,557.45

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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.