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Finding the Fourth Proportional to 12,726.93, 19,073.93 and 7,104.46

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Solution

The fourth proportional to 12,726.93, 19,073.93 and 7,104.46 is: 10,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.93 : 19,073.93 = 7,104.46 : x
  2. Step 2: Convert to fraction form
    12,726.93/19,073.93 = 7,104.46/x
  3. Step 3: Cross multiply
    12,726.93x = 19,073.93 × 7,104.46
  4. Step 4: Simplify right side
    12,726.93x = 135,509,984.18
  5. Step 5: Solve for x
    x = 135,509,984.18/12,726.93
  6. Step 6: Final answer
    x = 10,647.50

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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.