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Finding the Fourth Proportional to 60,678.62, 91,058.92 and 21,236.06

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Solution

The fourth proportional to 60,678.62, 91,058.92 and 21,236.06 is: 31,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,678.62 : 91,058.92 = 21,236.06 : x
  2. Step 2: Convert to fraction form
    60,678.62/91,058.92 = 21,236.06/x
  3. Step 3: Cross multiply
    60,678.62x = 91,058.92 × 21,236.06
  4. Step 4: Simplify right side
    60,678.62x = 1,933,732,688.66
  5. Step 5: Solve for x
    x = 1,933,732,688.66/60,678.62
  6. Step 6: Final answer
    x = 31,868.44

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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.