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Finding the Fourth Proportional to 35,234, 48,625.08 and 20,330

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Solution

The fourth proportional to 35,234, 48,625.08 and 20,330 is: 28,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,234 : 48,625.08 = 20,330 : x
  2. Step 2: Convert to fraction form
    35,234/48,625.08 = 20,330/x
  3. Step 3: Cross multiply
    35,234x = 48,625.08 × 20,330
  4. Step 4: Simplify right side
    35,234x = 988,547,876.40
  5. Step 5: Solve for x
    x = 988,547,876.40/35,234
  6. Step 6: Final answer
    x = 28,056.65

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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.