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Finding the Fourth Proportional to 29,384.40, 40,550.04 and 16,806.72

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Solution

The fourth proportional to 29,384.40, 40,550.04 and 16,806.72 is: 23,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,384.40 : 40,550.04 = 16,806.72 : x
  2. Step 2: Convert to fraction form
    29,384.40/40,550.04 = 16,806.72/x
  3. Step 3: Cross multiply
    29,384.40x = 40,550.04 × 16,806.72
  4. Step 4: Simplify right side
    29,384.40x = 681,513,168.27
  5. Step 5: Solve for x
    x = 681,513,168.27/29,384.40
  6. Step 6: Final answer
    x = 23,193.03

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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.