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Finding the Fourth Proportional to 35,490.72, 53,237.43 and 9,195.54

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Solution

The fourth proportional to 35,490.72, 53,237.43 and 9,195.54 is: 13,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.72 : 53,237.43 = 9,195.54 : x
  2. Step 2: Convert to fraction form
    35,490.72/53,237.43 = 9,195.54/x
  3. Step 3: Cross multiply
    35,490.72x = 53,237.43 × 9,195.54
  4. Step 4: Simplify right side
    35,490.72x = 489,546,917.06
  5. Step 5: Solve for x
    x = 489,546,917.06/35,490.72
  6. Step 6: Final answer
    x = 13,793.66

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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.