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Finding the Fourth Proportional to 35,294.19, 52,942.72 and 8,999.61

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Solution

The fourth proportional to 35,294.19, 52,942.72 and 8,999.61 is: 13,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.19 : 52,942.72 = 8,999.61 : x
  2. Step 2: Convert to fraction form
    35,294.19/52,942.72 = 8,999.61/x
  3. Step 3: Cross multiply
    35,294.19x = 52,942.72 × 8,999.61
  4. Step 4: Simplify right side
    35,294.19x = 476,463,832.34
  5. Step 5: Solve for x
    x = 476,463,832.34/35,294.19
  6. Step 6: Final answer
    x = 13,499.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.