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Finding the Fourth Proportional to 35,658.68, 53,455.14 and 16,947.56

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Solution

The fourth proportional to 35,658.68, 53,455.14 and 16,947.56 is: 25,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.68 : 53,455.14 = 16,947.56 : x
  2. Step 2: Convert to fraction form
    35,658.68/53,455.14 = 16,947.56/x
  3. Step 3: Cross multiply
    35,658.68x = 53,455.14 × 16,947.56
  4. Step 4: Simplify right side
    35,658.68x = 905,934,192.46
  5. Step 5: Solve for x
    x = 905,934,192.46/35,658.68
  6. Step 6: Final answer
    x = 25,405.71

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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.