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Finding the Fourth Proportional to 35,363.51, 48,802.24 and 20,257.49

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Solution

The fourth proportional to 35,363.51, 48,802.24 and 20,257.49 is: 27,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,363.51 : 48,802.24 = 20,257.49 : x
  2. Step 2: Convert to fraction form
    35,363.51/48,802.24 = 20,257.49/x
  3. Step 3: Cross multiply
    35,363.51x = 48,802.24 × 20,257.49
  4. Step 4: Simplify right side
    35,363.51x = 988,611,021.86
  5. Step 5: Solve for x
    x = 988,611,021.86/35,363.51
  6. Step 6: Final answer
    x = 27,955.68

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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.