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Finding the Fourth Proportional to 48,588.80, 72,904.80 and 17,446.40

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Solution

The fourth proportional to 48,588.80, 72,904.80 and 17,446.40 is: 26,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,588.80 : 72,904.80 = 17,446.40 : x
  2. Step 2: Convert to fraction form
    48,588.80/72,904.80 = 17,446.40/x
  3. Step 3: Cross multiply
    48,588.80x = 72,904.80 × 17,446.40
  4. Step 4: Simplify right side
    48,588.80x = 1,271,926,302.72
  5. Step 5: Solve for x
    x = 1,271,926,302.72/48,588.80
  6. Step 6: Final answer
    x = 26,177.36

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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.