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Finding the Fourth Proportional to 40,496.45, 60,726.45 and 15,528.20

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Solution

The fourth proportional to 40,496.45, 60,726.45 and 15,528.20 is: 23,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.45 : 60,726.45 = 15,528.20 : x
  2. Step 2: Convert to fraction form
    40,496.45/60,726.45 = 15,528.20/x
  3. Step 3: Cross multiply
    40,496.45x = 60,726.45 × 15,528.20
  4. Step 4: Simplify right side
    40,496.45x = 942,972,460.89
  5. Step 5: Solve for x
    x = 942,972,460.89/40,496.45
  6. Step 6: Final answer
    x = 23,285.31

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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.