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Finding the Fourth Proportional to 66,931.44, 92,365.42 and 37,123.44

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Solution

The fourth proportional to 66,931.44, 92,365.42 and 37,123.44 is: 51,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,931.44 : 92,365.42 = 37,123.44 : x
  2. Step 2: Convert to fraction form
    66,931.44/92,365.42 = 37,123.44/x
  3. Step 3: Cross multiply
    66,931.44x = 92,365.42 × 37,123.44
  4. Step 4: Simplify right side
    66,931.44x = 3,428,922,127.44
  5. Step 5: Solve for x
    x = 3,428,922,127.44/66,931.44
  6. Step 6: Final answer
    x = 51,230.37

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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.