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Finding the Fourth Proportional to 56,488.77, 84,733.74 and 17,046.21

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Solution

The fourth proportional to 56,488.77, 84,733.74 and 17,046.21 is: 25,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.77 : 84,733.74 = 17,046.21 : x
  2. Step 2: Convert to fraction form
    56,488.77/84,733.74 = 17,046.21/x
  3. Step 3: Cross multiply
    56,488.77x = 84,733.74 × 17,046.21
  4. Step 4: Simplify right side
    56,488.77x = 1,444,389,126.13
  5. Step 5: Solve for x
    x = 1,444,389,126.13/56,488.77
  6. Step 6: Final answer
    x = 25,569.49

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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.