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Finding the Fourth Proportional to 19,063.47, 28,604.93 and 9,079.50

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Solution

The fourth proportional to 19,063.47, 28,604.93 and 9,079.50 is: 13,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.47 : 28,604.93 = 9,079.50 : x
  2. Step 2: Convert to fraction form
    19,063.47/28,604.93 = 9,079.50/x
  3. Step 3: Cross multiply
    19,063.47x = 28,604.93 × 9,079.50
  4. Step 4: Simplify right side
    19,063.47x = 259,718,461.94
  5. Step 5: Solve for x
    x = 259,718,461.94/19,063.47
  6. Step 6: Final answer
    x = 13,623.88

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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.