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Finding the Fourth Proportional to 25,215.52, 37,801.68 and 9,644.08

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Solution

The fourth proportional to 25,215.52, 37,801.68 and 9,644.08 is: 14,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.52 : 37,801.68 = 9,644.08 : x
  2. Step 2: Convert to fraction form
    25,215.52/37,801.68 = 9,644.08/x
  3. Step 3: Cross multiply
    25,215.52x = 37,801.68 × 9,644.08
  4. Step 4: Simplify right side
    25,215.52x = 364,562,426.05
  5. Step 5: Solve for x
    x = 364,562,426.05/25,215.52
  6. Step 6: Final answer
    x = 14,457.86

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1.5x scale

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.