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Finding the Fourth Proportional to 56,894.40, 85,240.32 and 34,696.32

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Solution

The fourth proportional to 56,894.40, 85,240.32 and 34,696.32 is: 51,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,894.40 : 85,240.32 = 34,696.32 : x
  2. Step 2: Convert to fraction form
    56,894.40/85,240.32 = 34,696.32/x
  3. Step 3: Cross multiply
    56,894.40x = 85,240.32 × 34,696.32
  4. Step 4: Simplify right side
    56,894.40x = 2,957,525,419.62
  5. Step 5: Solve for x
    x = 2,957,525,419.62/56,894.40
  6. Step 6: Final answer
    x = 51,982.72

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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.