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Finding the Fourth Proportional to 19,599.71, 27,048.06 and 10,647.72

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Solution

The fourth proportional to 19,599.71, 27,048.06 and 10,647.72 is: 14,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.71 : 27,048.06 = 10,647.72 : x
  2. Step 2: Convert to fraction form
    19,599.71/27,048.06 = 10,647.72/x
  3. Step 3: Cross multiply
    19,599.71x = 27,048.06 × 10,647.72
  4. Step 4: Simplify right side
    19,599.71x = 288,000,169.42
  5. Step 5: Solve for x
    x = 288,000,169.42/19,599.71
  6. Step 6: Final answer
    x = 14,694.11

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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.