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Finding the Fourth Proportional to 42,551.25, 63,856.04 and 14,849.25

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Solution

The fourth proportional to 42,551.25, 63,856.04 and 14,849.25 is: 22,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551.25 : 63,856.04 = 14,849.25 : x
  2. Step 2: Convert to fraction form
    42,551.25/63,856.04 = 14,849.25/x
  3. Step 3: Cross multiply
    42,551.25x = 63,856.04 × 14,849.25
  4. Step 4: Simplify right side
    42,551.25x = 948,214,227.72
  5. Step 5: Solve for x
    x = 948,214,227.72/42,551.25
  6. Step 6: Final answer
    x = 22,284.05

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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.