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Finding the Fourth Proportional to 37,431.40, 55,739.41 and 37,017.19

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Solution

The fourth proportional to 37,431.40, 55,739.41 and 37,017.19 is: 55,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.40 : 55,739.41 = 37,017.19 : x
  2. Step 2: Convert to fraction form
    37,431.40/55,739.41 = 37,017.19/x
  3. Step 3: Cross multiply
    37,431.40x = 55,739.41 × 37,017.19
  4. Step 4: Simplify right side
    37,431.40x = 2,063,316,330.46
  5. Step 5: Solve for x
    x = 2,063,316,330.46/37,431.40
  6. Step 6: Final answer
    x = 55,122.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.