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Finding the Fourth Proportional to 12,302.08, 18,453.06 and 3,068.08

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Solution

The fourth proportional to 12,302.08, 18,453.06 and 3,068.08 is: 4,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.08 : 18,453.06 = 3,068.08 : x
  2. Step 2: Convert to fraction form
    12,302.08/18,453.06 = 3,068.08/x
  3. Step 3: Cross multiply
    12,302.08x = 18,453.06 × 3,068.08
  4. Step 4: Simplify right side
    12,302.08x = 56,615,464.32
  5. Step 5: Solve for x
    x = 56,615,464.32/12,302.08
  6. Step 6: Final answer
    x = 4,602.11

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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.