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Finding the Fourth Proportional to 37,632, 56,637.03 and 28,320.24

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Solution

The fourth proportional to 37,632, 56,637.03 and 28,320.24 is: 42,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,632 : 56,637.03 = 28,320.24 : x
  2. Step 2: Convert to fraction form
    37,632/56,637.03 = 28,320.24/x
  3. Step 3: Cross multiply
    37,632x = 56,637.03 × 28,320.24
  4. Step 4: Simplify right side
    37,632x = 1,603,974,282.49
  5. Step 5: Solve for x
    x = 1,603,974,282.49/37,632
  6. Step 6: Final answer
    x = 42,622.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.