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Finding the Fourth Proportional to 46,855.84, 70,283.84 and 15,691.20

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Solution

The fourth proportional to 46,855.84, 70,283.84 and 15,691.20 is: 23,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,855.84 : 70,283.84 = 15,691.20 : x
  2. Step 2: Convert to fraction form
    46,855.84/70,283.84 = 15,691.20/x
  3. Step 3: Cross multiply
    46,855.84x = 70,283.84 × 15,691.20
  4. Step 4: Simplify right side
    46,855.84x = 1,102,837,790.21
  5. Step 5: Solve for x
    x = 1,102,837,790.21/46,855.84
  6. Step 6: Final answer
    x = 23,536.83

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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.