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Finding the Fourth Proportional to 36,000.40, 49,662.12 and 29,549.20

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Solution

The fourth proportional to 36,000.40, 49,662.12 and 29,549.20 is: 40,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.40 : 49,662.12 = 29,549.20 : x
  2. Step 2: Convert to fraction form
    36,000.40/49,662.12 = 29,549.20/x
  3. Step 3: Cross multiply
    36,000.40x = 49,662.12 × 29,549.20
  4. Step 4: Simplify right side
    36,000.40x = 1,467,475,916.30
  5. Step 5: Solve for x
    x = 1,467,475,916.30/36,000.40
  6. Step 6: Final answer
    x = 40,762.77

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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.