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Finding the Fourth Proportional to 34,490.80, 51,726.48 and 14,790.79

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Solution

The fourth proportional to 34,490.80, 51,726.48 and 14,790.79 is: 22,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,490.80 : 51,726.48 = 14,790.79 : x
  2. Step 2: Convert to fraction form
    34,490.80/51,726.48 = 14,790.79/x
  3. Step 3: Cross multiply
    34,490.80x = 51,726.48 × 14,790.79
  4. Step 4: Simplify right side
    34,490.80x = 765,075,503.12
  5. Step 5: Solve for x
    x = 765,075,503.12/34,490.80
  6. Step 6: Final answer
    x = 22,182.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.