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Finding the Fourth Proportional to 56,673.76, 78,226.26 and 37,810.84

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Solution

The fourth proportional to 56,673.76, 78,226.26 and 37,810.84 is: 52,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.76 : 78,226.26 = 37,810.84 : x
  2. Step 2: Convert to fraction form
    56,673.76/78,226.26 = 37,810.84/x
  3. Step 3: Cross multiply
    56,673.76x = 78,226.26 × 37,810.84
  4. Step 4: Simplify right side
    56,673.76x = 2,957,800,600.66
  5. Step 5: Solve for x
    x = 2,957,800,600.66/56,673.76
  6. Step 6: Final answer
    x = 52,189.95

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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.