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Finding the Fourth Proportional to 35,463.90, 53,197.68 and 9,168.87

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Solution

The fourth proportional to 35,463.90, 53,197.68 and 9,168.87 is: 13,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,463.90 : 53,197.68 = 9,168.87 : x
  2. Step 2: Convert to fraction form
    35,463.90/53,197.68 = 9,168.87/x
  3. Step 3: Cross multiply
    35,463.90x = 53,197.68 × 9,168.87
  4. Step 4: Simplify right side
    35,463.90x = 487,762,846.10
  5. Step 5: Solve for x
    x = 487,762,846.10/35,463.90
  6. Step 6: Final answer
    x = 13,753.78

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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.