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Finding the Fourth Proportional to 19,658.84, 29,337.20 and 17,556.88

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Solution

The fourth proportional to 19,658.84, 29,337.20 and 17,556.88 is: 26,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.84 : 29,337.20 = 17,556.88 : x
  2. Step 2: Convert to fraction form
    19,658.84/29,337.20 = 17,556.88/x
  3. Step 3: Cross multiply
    19,658.84x = 29,337.20 × 17,556.88
  4. Step 4: Simplify right side
    19,658.84x = 515,069,699.94
  5. Step 5: Solve for x
    x = 515,069,699.94/19,658.84
  6. Step 6: Final answer
    x = 26,200.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.