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Finding the Fourth Proportional to 19,597.28, 27,044.28 and 10,644.80

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Solution

The fourth proportional to 19,597.28, 27,044.28 and 10,644.80 is: 14,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.28 : 27,044.28 = 10,644.80 : x
  2. Step 2: Convert to fraction form
    19,597.28/27,044.28 = 10,644.80/x
  3. Step 3: Cross multiply
    19,597.28x = 27,044.28 × 10,644.80
  4. Step 4: Simplify right side
    19,597.28x = 287,880,951.74
  5. Step 5: Solve for x
    x = 287,880,951.74/19,597.28
  6. Step 6: Final answer
    x = 14,689.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.