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Finding the Fourth Proportional to 62,382.70, 86,090.24 and 34,090.21

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Solution

The fourth proportional to 62,382.70, 86,090.24 and 34,090.21 is: 47,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,382.70 : 86,090.24 = 34,090.21 : x
  2. Step 2: Convert to fraction form
    62,382.70/86,090.24 = 34,090.21/x
  3. Step 3: Cross multiply
    62,382.70x = 86,090.24 × 34,090.21
  4. Step 4: Simplify right side
    62,382.70x = 2,934,834,015.32
  5. Step 5: Solve for x
    x = 2,934,834,015.32/62,382.70
  6. Step 6: Final answer
    x = 47,045.64

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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.