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Finding the Fourth Proportional to 19,053.48, 28,529.02 and 15,529.04

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Solution

The fourth proportional to 19,053.48, 28,529.02 and 15,529.04 is: 23,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.48 : 28,529.02 = 15,529.04 : x
  2. Step 2: Convert to fraction form
    19,053.48/28,529.02 = 15,529.04/x
  3. Step 3: Cross multiply
    19,053.48x = 28,529.02 × 15,529.04
  4. Step 4: Simplify right side
    19,053.48x = 443,028,292.74
  5. Step 5: Solve for x
    x = 443,028,292.74/19,053.48
  6. Step 6: Final answer
    x = 23,251.83

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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.