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Finding the Fourth Proportional to 49,497.40, 74,246.10 and 37,687.60

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Solution

The fourth proportional to 49,497.40, 74,246.10 and 37,687.60 is: 56,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,497.40 : 74,246.10 = 37,687.60 : x
  2. Step 2: Convert to fraction form
    49,497.40/74,246.10 = 37,687.60/x
  3. Step 3: Cross multiply
    49,497.40x = 74,246.10 × 37,687.60
  4. Step 4: Simplify right side
    49,497.40x = 2,798,157,318.36
  5. Step 5: Solve for x
    x = 2,798,157,318.36/49,497.40
  6. Step 6: Final answer
    x = 56,531.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.