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Finding the Fourth Proportional to 48,573.68, 72,873.48 and 17,409.20

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Solution

The fourth proportional to 48,573.68, 72,873.48 and 17,409.20 is: 26,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.68 : 72,873.48 = 17,409.20 : x
  2. Step 2: Convert to fraction form
    48,573.68/72,873.48 = 17,409.20/x
  3. Step 3: Cross multiply
    48,573.68x = 72,873.48 × 17,409.20
  4. Step 4: Simplify right side
    48,573.68x = 1,268,668,988.02
  5. Step 5: Solve for x
    x = 1,268,668,988.02/48,573.68
  6. Step 6: Final answer
    x = 26,118.44

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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.