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Finding the Fourth Proportional to 56,618.44, 78,155.22 and 37,748.68

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Solution

The fourth proportional to 56,618.44, 78,155.22 and 37,748.68 is: 52,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,618.44 : 78,155.22 = 37,748.68 : x
  2. Step 2: Convert to fraction form
    56,618.44/78,155.22 = 37,748.68/x
  3. Step 3: Cross multiply
    56,618.44x = 78,155.22 × 37,748.68
  4. Step 4: Simplify right side
    56,618.44x = 2,950,256,390.11
  5. Step 5: Solve for x
    x = 2,950,256,390.11/56,618.44
  6. Step 6: Final answer
    x = 52,107.69

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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.