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Finding the Fourth Proportional to 60,021.51, 90,058.66 and 31,934.96

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Solution

The fourth proportional to 60,021.51, 90,058.66 and 31,934.96 is: 47,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,021.51 : 90,058.66 = 31,934.96 : x
  2. Step 2: Convert to fraction form
    60,021.51/90,058.66 = 31,934.96/x
  3. Step 3: Cross multiply
    60,021.51x = 90,058.66 × 31,934.96
  4. Step 4: Simplify right side
    60,021.51x = 2,876,019,704.75
  5. Step 5: Solve for x
    x = 2,876,019,704.75/60,021.51
  6. Step 6: Final answer
    x = 47,916.48

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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.