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Finding the Fourth Proportional to 56,752.65, 85,141.26 and 17,308.71

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Solution

The fourth proportional to 56,752.65, 85,141.26 and 17,308.71 is: 25,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.65 : 85,141.26 = 17,308.71 : x
  2. Step 2: Convert to fraction form
    56,752.65/85,141.26 = 17,308.71/x
  3. Step 3: Cross multiply
    56,752.65x = 85,141.26 × 17,308.71
  4. Step 4: Simplify right side
    56,752.65x = 1,473,685,378.37
  5. Step 5: Solve for x
    x = 1,473,685,378.37/56,752.65
  6. Step 6: Final answer
    x = 25,966.81

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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.