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Finding the Fourth Proportional to 35,188.68, 52,744.64 and 12,983.34

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Solution

The fourth proportional to 35,188.68, 52,744.64 and 12,983.34 is: 19,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.68 : 52,744.64 = 12,983.34 : x
  2. Step 2: Convert to fraction form
    35,188.68/52,744.64 = 12,983.34/x
  3. Step 3: Cross multiply
    35,188.68x = 52,744.64 × 12,983.34
  4. Step 4: Simplify right side
    35,188.68x = 684,801,529.38
  5. Step 5: Solve for x
    x = 684,801,529.38/35,188.68
  6. Step 6: Final answer
    x = 19,460.85

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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.