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Finding the Fourth Proportional to 25,287.48, 37,932.09 and 9,490.89

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Solution

The fourth proportional to 25,287.48, 37,932.09 and 9,490.89 is: 14,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.48 : 37,932.09 = 9,490.89 : x
  2. Step 2: Convert to fraction form
    25,287.48/37,932.09 = 9,490.89/x
  3. Step 3: Cross multiply
    25,287.48x = 37,932.09 × 9,490.89
  4. Step 4: Simplify right side
    25,287.48x = 360,009,293.66
  5. Step 5: Solve for x
    x = 360,009,293.66/25,287.48
  6. Step 6: Final answer
    x = 14,236.66

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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.