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Finding the Fourth Proportional to 34,048.80, 51,078.51 and 17,399.79

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Solution

The fourth proportional to 34,048.80, 51,078.51 and 17,399.79 is: 26,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,048.80 : 51,078.51 = 17,399.79 : x
  2. Step 2: Convert to fraction form
    34,048.80/51,078.51 = 17,399.79/x
  3. Step 3: Cross multiply
    34,048.80x = 51,078.51 × 17,399.79
  4. Step 4: Simplify right side
    34,048.80x = 888,755,347.51
  5. Step 5: Solve for x
    x = 888,755,347.51/34,048.80
  6. Step 6: Final answer
    x = 26,102.40

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1.5x scale

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.