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Finding the Fourth Proportional to 8,873.60, 13,310.52 and 3,030.08

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Solution

The fourth proportional to 8,873.60, 13,310.52 and 3,030.08 is: 4,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.60 : 13,310.52 = 3,030.08 : x
  2. Step 2: Convert to fraction form
    8,873.60/13,310.52 = 3,030.08/x
  3. Step 3: Cross multiply
    8,873.60x = 13,310.52 × 3,030.08
  4. Step 4: Simplify right side
    8,873.60x = 40,331,940.44
  5. Step 5: Solve for x
    x = 40,331,940.44/8,873.60
  6. Step 6: Final answer
    x = 4,545.16

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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.