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Finding the Fourth Proportional to 37,570.80, 51,835.13 and 21,654.92

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Solution

The fourth proportional to 37,570.80, 51,835.13 and 21,654.92 is: 29,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,570.80 : 51,835.13 = 21,654.92 : x
  2. Step 2: Convert to fraction form
    37,570.80/51,835.13 = 21,654.92/x
  3. Step 3: Cross multiply
    37,570.80x = 51,835.13 × 21,654.92
  4. Step 4: Simplify right side
    37,570.80x = 1,122,485,225.89
  5. Step 5: Solve for x
    x = 1,122,485,225.89/37,570.80
  6. Step 6: Final answer
    x = 29,876.53

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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.