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Finding the Fourth Proportional to 57,850.80, 79,810.54 and 37,700.34

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Solution

The fourth proportional to 57,850.80, 79,810.54 and 37,700.34 is: 52,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.80 : 79,810.54 = 37,700.34 : x
  2. Step 2: Convert to fraction form
    57,850.80/79,810.54 = 37,700.34/x
  3. Step 3: Cross multiply
    57,850.80x = 79,810.54 × 37,700.34
  4. Step 4: Simplify right side
    57,850.80x = 3,008,884,493.58
  5. Step 5: Solve for x
    x = 3,008,884,493.58/57,850.80
  6. Step 6: Final answer
    x = 52,011.11

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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.