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Finding the Fourth Proportional to 25,214.52, 37,800.18 and 9,643.08

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Solution

The fourth proportional to 25,214.52, 37,800.18 and 9,643.08 is: 14,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,214.52 : 37,800.18 = 9,643.08 : x
  2. Step 2: Convert to fraction form
    25,214.52/37,800.18 = 9,643.08/x
  3. Step 3: Cross multiply
    25,214.52x = 37,800.18 × 9,643.08
  4. Step 4: Simplify right side
    25,214.52x = 364,510,159.75
  5. Step 5: Solve for x
    x = 364,510,159.75/25,214.52
  6. Step 6: Final answer
    x = 14,456.36

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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.