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Finding the Fourth Proportional to 39,248.87, 54,164.87 and 22,485.11

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Solution

The fourth proportional to 39,248.87, 54,164.87 and 22,485.11 is: 31,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.87 : 54,164.87 = 22,485.11 : x
  2. Step 2: Convert to fraction form
    39,248.87/54,164.87 = 22,485.11/x
  3. Step 3: Cross multiply
    39,248.87x = 54,164.87 × 22,485.11
  4. Step 4: Simplify right side
    39,248.87x = 1,217,902,676.84
  5. Step 5: Solve for x
    x = 1,217,902,676.84/39,248.87
  6. Step 6: Final answer
    x = 31,030.26

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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.