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Finding the Fourth Proportional to 35,658.58, 53,471.05 and 13,163.58

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Solution

The fourth proportional to 35,658.58, 53,471.05 and 13,163.58 is: 19,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.58 : 53,471.05 = 13,163.58 : x
  2. Step 2: Convert to fraction form
    35,658.58/53,471.05 = 13,163.58/x
  3. Step 3: Cross multiply
    35,658.58x = 53,471.05 × 13,163.58
  4. Step 4: Simplify right side
    35,658.58x = 703,870,444.36
  5. Step 5: Solve for x
    x = 703,870,444.36/35,658.58
  6. Step 6: Final answer
    x = 19,739.16

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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.