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Finding the Fourth Proportional to 18,078.62, 24,948.60 and 10,529.34

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Solution

The fourth proportional to 18,078.62, 24,948.60 and 10,529.34 is: 14,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.62 : 24,948.60 = 10,529.34 : x
  2. Step 2: Convert to fraction form
    18,078.62/24,948.60 = 10,529.34/x
  3. Step 3: Cross multiply
    18,078.62x = 24,948.60 × 10,529.34
  4. Step 4: Simplify right side
    18,078.62x = 262,692,291.92
  5. Step 5: Solve for x
    x = 262,692,291.92/18,078.62
  6. Step 6: Final answer
    x = 14,530.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.