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Finding the Fourth Proportional to 14,689.94, 22,020.13 and 8,448.08

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Solution

The fourth proportional to 14,689.94, 22,020.13 and 8,448.08 is: 12,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.94 : 22,020.13 = 8,448.08 : x
  2. Step 2: Convert to fraction form
    14,689.94/22,020.13 = 8,448.08/x
  3. Step 3: Cross multiply
    14,689.94x = 22,020.13 × 8,448.08
  4. Step 4: Simplify right side
    14,689.94x = 186,027,853.78
  5. Step 5: Solve for x
    x = 186,027,853.78/14,689.94
  6. Step 6: Final answer
    x = 12,663.62

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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.