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Finding the Fourth Proportional to 35,149.60, 52,709.04 and 10,519.84

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Solution

The fourth proportional to 35,149.60, 52,709.04 and 10,519.84 is: 15,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,149.60 : 52,709.04 = 10,519.84 : x
  2. Step 2: Convert to fraction form
    35,149.60/52,709.04 = 10,519.84/x
  3. Step 3: Cross multiply
    35,149.60x = 52,709.04 × 10,519.84
  4. Step 4: Simplify right side
    35,149.60x = 554,490,667.35
  5. Step 5: Solve for x
    x = 554,490,667.35/35,149.60
  6. Step 6: Final answer
    x = 15,775.16

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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.