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Finding the Fourth Proportional to 29,477.70, 40,677.90 and 16,048.61

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Solution

The fourth proportional to 29,477.70, 40,677.90 and 16,048.61 is: 22,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.70 : 40,677.90 = 16,048.61 : x
  2. Step 2: Convert to fraction form
    29,477.70/40,677.90 = 16,048.61/x
  3. Step 3: Cross multiply
    29,477.70x = 40,677.90 × 16,048.61
  4. Step 4: Simplify right side
    29,477.70x = 652,823,752.72
  5. Step 5: Solve for x
    x = 652,823,752.72/29,477.70
  6. Step 6: Final answer
    x = 22,146.36

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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.