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Finding the Fourth Proportional to 29,367.65, 40,526.78 and 16,620.60

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Solution

The fourth proportional to 29,367.65, 40,526.78 and 16,620.60 is: 22,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,367.65 : 40,526.78 = 16,620.60 : x
  2. Step 2: Convert to fraction form
    29,367.65/40,526.78 = 16,620.60/x
  3. Step 3: Cross multiply
    29,367.65x = 40,526.78 × 16,620.60
  4. Step 4: Simplify right side
    29,367.65x = 673,579,411.91
  5. Step 5: Solve for x
    x = 673,579,411.91/29,367.65
  6. Step 6: Final answer
    x = 22,936.10

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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.