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Finding the Fourth Proportional to 57,297.96, 79,066.98 and 31,805.80

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Solution

The fourth proportional to 57,297.96, 79,066.98 and 31,805.80 is: 43,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.96 : 79,066.98 = 31,805.80 : x
  2. Step 2: Convert to fraction form
    57,297.96/79,066.98 = 31,805.80/x
  3. Step 3: Cross multiply
    57,297.96x = 79,066.98 × 31,805.80
  4. Step 4: Simplify right side
    57,297.96x = 2,514,788,552.48
  5. Step 5: Solve for x
    x = 2,514,788,552.48/57,297.96
  6. Step 6: Final answer
    x = 43,889.67

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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.