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Finding the Fourth Proportional to 22,860.70, 34,290.80 and 17,347.90

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Solution

The fourth proportional to 22,860.70, 34,290.80 and 17,347.90 is: 26,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.70 : 34,290.80 = 17,347.90 : x
  2. Step 2: Convert to fraction form
    22,860.70/34,290.80 = 17,347.90/x
  3. Step 3: Cross multiply
    22,860.70x = 34,290.80 × 17,347.90
  4. Step 4: Simplify right side
    22,860.70x = 594,873,369.32
  5. Step 5: Solve for x
    x = 594,873,369.32/22,860.70
  6. Step 6: Final answer
    x = 26,021.66

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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.