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Finding the Fourth Proportional to 67,200.96, 92,741.13 and 38,525.37

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Solution

The fourth proportional to 67,200.96, 92,741.13 and 38,525.37 is: 53,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.96 : 92,741.13 = 38,525.37 : x
  2. Step 2: Convert to fraction form
    67,200.96/92,741.13 = 38,525.37/x
  3. Step 3: Cross multiply
    67,200.96x = 92,741.13 × 38,525.37
  4. Step 4: Simplify right side
    67,200.96x = 3,572,886,347.47
  5. Step 5: Solve for x
    x = 3,572,886,347.47/67,200.96
  6. Step 6: Final answer
    x = 53,167.19

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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.