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Finding the Fourth Proportional to 29,659.40, 44,513.40 and 28,687.40

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Solution

The fourth proportional to 29,659.40, 44,513.40 and 28,687.40 is: 43,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,659.40 : 44,513.40 = 28,687.40 : x
  2. Step 2: Convert to fraction form
    29,659.40/44,513.40 = 28,687.40/x
  3. Step 3: Cross multiply
    29,659.40x = 44,513.40 × 28,687.40
  4. Step 4: Simplify right side
    29,659.40x = 1,276,973,711.16
  5. Step 5: Solve for x
    x = 1,276,973,711.16/29,659.40
  6. Step 6: Final answer
    x = 43,054.60

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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.