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Finding the Fourth Proportional to 45,659.58, 68,488.62 and 17,585.79

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Solution

The fourth proportional to 45,659.58, 68,488.62 and 17,585.79 is: 26,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,659.58 : 68,488.62 = 17,585.79 : x
  2. Step 2: Convert to fraction form
    45,659.58/68,488.62 = 17,585.79/x
  3. Step 3: Cross multiply
    45,659.58x = 68,488.62 × 17,585.79
  4. Step 4: Simplify right side
    45,659.58x = 1,204,426,488.71
  5. Step 5: Solve for x
    x = 1,204,426,488.71/45,659.58
  6. Step 6: Final answer
    x = 26,378.40

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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.