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Finding the Fourth Proportional to 14,703.76, 20,295.48 and 8,963.29

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Solution

The fourth proportional to 14,703.76, 20,295.48 and 8,963.29 is: 12,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.76 : 20,295.48 = 8,963.29 : x
  2. Step 2: Convert to fraction form
    14,703.76/20,295.48 = 8,963.29/x
  3. Step 3: Cross multiply
    14,703.76x = 20,295.48 × 8,963.29
  4. Step 4: Simplify right side
    14,703.76x = 181,914,272.93
  5. Step 5: Solve for x
    x = 181,914,272.93/14,703.76
  6. Step 6: Final answer
    x = 12,371.96

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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.