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Finding the Fourth Proportional to 9,798.30, 14,696.09 and 3,953.55

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Solution

The fourth proportional to 9,798.30, 14,696.09 and 3,953.55 is: 5,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.30 : 14,696.09 = 3,953.55 : x
  2. Step 2: Convert to fraction form
    9,798.30/14,696.09 = 3,953.55/x
  3. Step 3: Cross multiply
    9,798.30x = 14,696.09 × 3,953.55
  4. Step 4: Simplify right side
    9,798.30x = 58,101,726.62
  5. Step 5: Solve for x
    x = 58,101,726.62/9,798.30
  6. Step 6: Final answer
    x = 5,929.78

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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.