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Finding the Fourth Proportional to 67,041.99, 92,507.67 and 38,742.21

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Solution

The fourth proportional to 67,041.99, 92,507.67 and 38,742.21 is: 53,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041.99 : 92,507.67 = 38,742.21 : x
  2. Step 2: Convert to fraction form
    67,041.99/92,507.67 = 38,742.21/x
  3. Step 3: Cross multiply
    67,041.99x = 92,507.67 × 38,742.21
  4. Step 4: Simplify right side
    67,041.99x = 3,583,951,577.75
  5. Step 5: Solve for x
    x = 3,583,951,577.75/67,041.99
  6. Step 6: Final answer
    x = 53,458.31

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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.