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Finding the Fourth Proportional to 35,660.88, 53,462.16 and 13,461.63

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Solution

The fourth proportional to 35,660.88, 53,462.16 and 13,461.63 is: 20,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,660.88 : 53,462.16 = 13,461.63 : x
  2. Step 2: Convert to fraction form
    35,660.88/53,462.16 = 13,461.63/x
  3. Step 3: Cross multiply
    35,660.88x = 53,462.16 × 13,461.63
  4. Step 4: Simplify right side
    35,660.88x = 719,687,816.92
  5. Step 5: Solve for x
    x = 719,687,816.92/35,660.88
  6. Step 6: Final answer
    x = 20,181.44

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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.