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Finding the Fourth Proportional to 12,349.95, 18,525.52 and 4,029.95

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Solution

The fourth proportional to 12,349.95, 18,525.52 and 4,029.95 is: 6,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.95 : 18,525.52 = 4,029.95 : x
  2. Step 2: Convert to fraction form
    12,349.95/18,525.52 = 4,029.95/x
  3. Step 3: Cross multiply
    12,349.95x = 18,525.52 × 4,029.95
  4. Step 4: Simplify right side
    12,349.95x = 74,656,899.17
  5. Step 5: Solve for x
    x = 74,656,899.17/12,349.95
  6. Step 6: Final answer
    x = 6,045.12

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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.