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Finding the Fourth Proportional to 39,289, 58,909.94 and 26,654.28

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Solution

The fourth proportional to 39,289, 58,909.94 and 26,654.28 is: 39,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289 : 58,909.94 = 26,654.28 : x
  2. Step 2: Convert to fraction form
    39,289/58,909.94 = 26,654.28/x
  3. Step 3: Cross multiply
    39,289x = 58,909.94 × 26,654.28
  4. Step 4: Simplify right side
    39,289x = 1,570,202,035.54
  5. Step 5: Solve for x
    x = 1,570,202,035.54/39,289
  6. Step 6: Final answer
    x = 39,965.44

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1.5x scale

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.