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Finding the Fourth Proportional to 19,177.08, 28,724.08 and 9,295.69

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Solution

The fourth proportional to 19,177.08, 28,724.08 and 9,295.69 is: 13,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.08 : 28,724.08 = 9,295.69 : x
  2. Step 2: Convert to fraction form
    19,177.08/28,724.08 = 9,295.69/x
  3. Step 3: Cross multiply
    19,177.08x = 28,724.08 × 9,295.69
  4. Step 4: Simplify right side
    19,177.08x = 267,010,143.22
  5. Step 5: Solve for x
    x = 267,010,143.22/19,177.08
  6. Step 6: Final answer
    x = 13,923.40

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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.