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Finding the Fourth Proportional to 37,071, 51,157.98 and 20,304

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Solution

The fourth proportional to 37,071, 51,157.98 and 20,304 is: 28,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071 : 51,157.98 = 20,304 : x
  2. Step 2: Convert to fraction form
    37,071/51,157.98 = 20,304/x
  3. Step 3: Cross multiply
    37,071x = 51,157.98 × 20,304
  4. Step 4: Simplify right side
    37,071x = 1,038,711,625.92
  5. Step 5: Solve for x
    x = 1,038,711,625.92/37,071
  6. Step 6: Final answer
    x = 28,019.52

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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.