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Finding the Fourth Proportional to 62,214.87, 85,858.16 and 38,357.31

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Solution

The fourth proportional to 62,214.87, 85,858.16 and 38,357.31 is: 52,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,214.87 : 85,858.16 = 38,357.31 : x
  2. Step 2: Convert to fraction form
    62,214.87/85,858.16 = 38,357.31/x
  3. Step 3: Cross multiply
    62,214.87x = 85,858.16 × 38,357.31
  4. Step 4: Simplify right side
    62,214.87x = 3,293,287,867.36
  5. Step 5: Solve for x
    x = 3,293,287,867.36/62,214.87
  6. Step 6: Final answer
    x = 52,934.10

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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.