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Finding the Fourth Proportional to 19,254, 28,797.60 and 11,337.66

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Solution

The fourth proportional to 19,254, 28,797.60 and 11,337.66 is: 16,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254 : 28,797.60 = 11,337.66 : x
  2. Step 2: Convert to fraction form
    19,254/28,797.60 = 11,337.66/x
  3. Step 3: Cross multiply
    19,254x = 28,797.60 × 11,337.66
  4. Step 4: Simplify right side
    19,254x = 326,497,397.62
  5. Step 5: Solve for x
    x = 326,497,397.62/19,254
  6. Step 6: Final answer
    x = 16,957.38

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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.