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Finding the Fourth Proportional to 48,458.99, 72,719.27 and 25,085.45

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Solution

The fourth proportional to 48,458.99, 72,719.27 and 25,085.45 is: 37,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.99 : 72,719.27 = 25,085.45 : x
  2. Step 2: Convert to fraction form
    48,458.99/72,719.27 = 25,085.45/x
  3. Step 3: Cross multiply
    48,458.99x = 72,719.27 × 25,085.45
  4. Step 4: Simplify right side
    48,458.99x = 1,824,195,310.74
  5. Step 5: Solve for x
    x = 1,824,195,310.74/48,458.99
  6. Step 6: Final answer
    x = 37,644.11

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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.