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Finding the Fourth Proportional to 35,310.48, 48,720.06 and 19,997.16

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Solution

The fourth proportional to 35,310.48, 48,720.06 and 19,997.16 is: 27,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.48 : 48,720.06 = 19,997.16 : x
  2. Step 2: Convert to fraction form
    35,310.48/48,720.06 = 19,997.16/x
  3. Step 3: Cross multiply
    35,310.48x = 48,720.06 × 19,997.16
  4. Step 4: Simplify right side
    35,310.48x = 974,262,835.03
  5. Step 5: Solve for x
    x = 974,262,835.03/35,310.48
  6. Step 6: Final answer
    x = 27,591.32

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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.