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Finding the Fourth Proportional to 45,809.70, 68,726.70 and 16,224.45

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Solution

The fourth proportional to 45,809.70, 68,726.70 and 16,224.45 is: 24,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.70 : 68,726.70 = 16,224.45 : x
  2. Step 2: Convert to fraction form
    45,809.70/68,726.70 = 16,224.45/x
  3. Step 3: Cross multiply
    45,809.70x = 68,726.70 × 16,224.45
  4. Step 4: Simplify right side
    45,809.70x = 1,115,052,907.82
  5. Step 5: Solve for x
    x = 1,115,052,907.82/45,809.70
  6. Step 6: Final answer
    x = 24,340.98

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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.