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Finding the Fourth Proportional to 46,891.64, 70,186.44 and 30,894.39

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Solution

The fourth proportional to 46,891.64, 70,186.44 and 30,894.39 is: 46,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,891.64 : 70,186.44 = 30,894.39 : x
  2. Step 2: Convert to fraction form
    46,891.64/70,186.44 = 30,894.39/x
  3. Step 3: Cross multiply
    46,891.64x = 70,186.44 × 30,894.39
  4. Step 4: Simplify right side
    46,891.64x = 2,168,367,250.07
  5. Step 5: Solve for x
    x = 2,168,367,250.07/46,891.64
  6. Step 6: Final answer
    x = 46,242.09

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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.