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Finding the Fourth Proportional to 12,364.76, 18,545.64 and 4,968.92

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Solution

The fourth proportional to 12,364.76, 18,545.64 and 4,968.92 is: 7,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.76 : 18,545.64 = 4,968.92 : x
  2. Step 2: Convert to fraction form
    12,364.76/18,545.64 = 4,968.92/x
  3. Step 3: Cross multiply
    12,364.76x = 18,545.64 × 4,968.92
  4. Step 4: Simplify right side
    12,364.76x = 92,151,801.51
  5. Step 5: Solve for x
    x = 92,151,801.51/12,364.76
  6. Step 6: Final answer
    x = 7,452.78

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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.