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Finding the Fourth Proportional to 6,615.73, 9,922.51 and 1,934.63

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Solution

The fourth proportional to 6,615.73, 9,922.51 and 1,934.63 is: 2,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.73 : 9,922.51 = 1,934.63 : x
  2. Step 2: Convert to fraction form
    6,615.73/9,922.51 = 1,934.63/x
  3. Step 3: Cross multiply
    6,615.73x = 9,922.51 × 1,934.63
  4. Step 4: Simplify right side
    6,615.73x = 19,196,385.52
  5. Step 5: Solve for x
    x = 19,196,385.52/6,615.73
  6. Step 6: Final answer
    x = 2,901.63

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1.5x scale

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.