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Finding the Fourth Proportional to 56,393.74, 84,568.74 and 30,084.13

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Solution

The fourth proportional to 56,393.74, 84,568.74 and 30,084.13 is: 45,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,393.74 : 84,568.74 = 30,084.13 : x
  2. Step 2: Convert to fraction form
    56,393.74/84,568.74 = 30,084.13/x
  3. Step 3: Cross multiply
    56,393.74x = 84,568.74 × 30,084.13
  4. Step 4: Simplify right side
    56,393.74x = 2,544,176,968.10
  5. Step 5: Solve for x
    x = 2,544,176,968.10/56,393.74
  6. Step 6: Final answer
    x = 45,114.53

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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.