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Finding the Fourth Proportional to 37,894.17, 52,294.29 and 20,899.09

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Solution

The fourth proportional to 37,894.17, 52,294.29 and 20,899.09 is: 28,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,894.17 : 52,294.29 = 20,899.09 : x
  2. Step 2: Convert to fraction form
    37,894.17/52,294.29 = 20,899.09/x
  3. Step 3: Cross multiply
    37,894.17x = 52,294.29 × 20,899.09
  4. Step 4: Simplify right side
    37,894.17x = 1,092,902,707.23
  5. Step 5: Solve for x
    x = 1,092,902,707.23/37,894.17
  6. Step 6: Final answer
    x = 28,840.92

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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.