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Finding the Fourth Proportional to 67,953.42, 93,778.05 and 37,739.22

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Solution

The fourth proportional to 67,953.42, 93,778.05 and 37,739.22 is: 52,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,953.42 : 93,778.05 = 37,739.22 : x
  2. Step 2: Convert to fraction form
    67,953.42/93,778.05 = 37,739.22/x
  3. Step 3: Cross multiply
    67,953.42x = 93,778.05 × 37,739.22
  4. Step 4: Simplify right side
    67,953.42x = 3,539,110,460.12
  5. Step 5: Solve for x
    x = 3,539,110,460.12/67,953.42
  6. Step 6: Final answer
    x = 52,081.42

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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.