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Finding the Fourth Proportional to 22,804.69, 34,206.99 and 12,679.51

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Solution

The fourth proportional to 22,804.69, 34,206.99 and 12,679.51 is: 19,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,804.69 : 34,206.99 = 12,679.51 : x
  2. Step 2: Convert to fraction form
    22,804.69/34,206.99 = 12,679.51/x
  3. Step 3: Cross multiply
    22,804.69x = 34,206.99 × 12,679.51
  4. Step 4: Simplify right side
    22,804.69x = 433,727,871.77
  5. Step 5: Solve for x
    x = 433,727,871.77/22,804.69
  6. Step 6: Final answer
    x = 19,019.24

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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.