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Finding the Fourth Proportional to 56,707.62, 85,073.73 and 17,263.71

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Solution

The fourth proportional to 56,707.62, 85,073.73 and 17,263.71 is: 25,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,707.62 : 85,073.73 = 17,263.71 : x
  2. Step 2: Convert to fraction form
    56,707.62/85,073.73 = 17,263.71/x
  3. Step 3: Cross multiply
    56,707.62x = 85,073.73 × 17,263.71
  4. Step 4: Simplify right side
    56,707.62x = 1,468,688,203.34
  5. Step 5: Solve for x
    x = 1,468,688,203.34/56,707.62
  6. Step 6: Final answer
    x = 25,899.31

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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.