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Finding the Fourth Proportional to 35,309.38, 52,964.16 and 8,655.49

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Solution

The fourth proportional to 35,309.38, 52,964.16 and 8,655.49 is: 12,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.38 : 52,964.16 = 8,655.49 : x
  2. Step 2: Convert to fraction form
    35,309.38/52,964.16 = 8,655.49/x
  3. Step 3: Cross multiply
    35,309.38x = 52,964.16 × 8,655.49
  4. Step 4: Simplify right side
    35,309.38x = 458,430,682.31
  5. Step 5: Solve for x
    x = 458,430,682.31/35,309.38
  6. Step 6: Final answer
    x = 12,983.25

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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.