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Finding the Fourth Proportional to 19,358.04, 28,906.04 and 15,364.52

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Solution

The fourth proportional to 19,358.04, 28,906.04 and 15,364.52 is: 22,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.04 : 28,906.04 = 15,364.52 : x
  2. Step 2: Convert to fraction form
    19,358.04/28,906.04 = 15,364.52/x
  3. Step 3: Cross multiply
    19,358.04x = 28,906.04 × 15,364.52
  4. Step 4: Simplify right side
    19,358.04x = 444,127,429.70
  5. Step 5: Solve for x
    x = 444,127,429.70/19,358.04
  6. Step 6: Final answer
    x = 22,942.79

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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.