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Finding the Fourth Proportional to 19,925.05, 29,873.71 and 8,825.71

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Solution

The fourth proportional to 19,925.05, 29,873.71 and 8,825.71 is: 13,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.05 : 29,873.71 = 8,825.71 : x
  2. Step 2: Convert to fraction form
    19,925.05/29,873.71 = 8,825.71/x
  3. Step 3: Cross multiply
    19,925.05x = 29,873.71 × 8,825.71
  4. Step 4: Simplify right side
    19,925.05x = 263,656,701.08
  5. Step 5: Solve for x
    x = 263,656,701.08/19,925.05
  6. Step 6: Final answer
    x = 13,232.42

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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.