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Finding the Fourth Proportional to 66,803.59, 92,190.44 and 38,122.68

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Solution

The fourth proportional to 66,803.59, 92,190.44 and 38,122.68 is: 52,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.59 : 92,190.44 = 38,122.68 : x
  2. Step 2: Convert to fraction form
    66,803.59/92,190.44 = 38,122.68/x
  3. Step 3: Cross multiply
    66,803.59x = 92,190.44 × 38,122.68
  4. Step 4: Simplify right side
    66,803.59x = 3,514,546,182.23
  5. Step 5: Solve for x
    x = 3,514,546,182.23/66,803.59
  6. Step 6: Final answer
    x = 52,610.14

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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.