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Finding the Fourth Proportional to 66,741.81, 92,104.91 and 38,064.77

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Solution

The fourth proportional to 66,741.81, 92,104.91 and 38,064.77 is: 52,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.81 : 92,104.91 = 38,064.77 : x
  2. Step 2: Convert to fraction form
    66,741.81/92,104.91 = 38,064.77/x
  3. Step 3: Cross multiply
    66,741.81x = 92,104.91 × 38,064.77
  4. Step 4: Simplify right side
    66,741.81x = 3,505,952,215.02
  5. Step 5: Solve for x
    x = 3,505,952,215.02/66,741.81
  6. Step 6: Final answer
    x = 52,530.07

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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.