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Finding the Fourth Proportional to 25,358.40, 37,854.36 and 22,248

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Solution

The fourth proportional to 25,358.40, 37,854.36 and 22,248 is: 33,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.40 : 37,854.36 = 22,248 : x
  2. Step 2: Convert to fraction form
    25,358.40/37,854.36 = 22,248/x
  3. Step 3: Cross multiply
    25,358.40x = 37,854.36 × 22,248
  4. Step 4: Simplify right side
    25,358.40x = 842,183,801.28
  5. Step 5: Solve for x
    x = 842,183,801.28/25,358.40
  6. Step 6: Final answer
    x = 33,211.24

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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.