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Finding the Fourth Proportional to 35,487.94, 48,960.99 and 22,748.15

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Solution

The fourth proportional to 35,487.94, 48,960.99 and 22,748.15 is: 31,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,487.94 : 48,960.99 = 22,748.15 : x
  2. Step 2: Convert to fraction form
    35,487.94/48,960.99 = 22,748.15/x
  3. Step 3: Cross multiply
    35,487.94x = 48,960.99 × 22,748.15
  4. Step 4: Simplify right side
    35,487.94x = 1,113,771,699.86
  5. Step 5: Solve for x
    x = 1,113,771,699.86/35,487.94
  6. Step 6: Final answer
    x = 31,384.51

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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.