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Finding the Fourth Proportional to 53,599.40, 73,967.40 and 29,728.28

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Solution

The fourth proportional to 53,599.40, 73,967.40 and 29,728.28 is: 41,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,599.40 : 73,967.40 = 29,728.28 : x
  2. Step 2: Convert to fraction form
    53,599.40/73,967.40 = 29,728.28/x
  3. Step 3: Cross multiply
    53,599.40x = 73,967.40 × 29,728.28
  4. Step 4: Simplify right side
    53,599.40x = 2,198,923,578.07
  5. Step 5: Solve for x
    x = 2,198,923,578.07/53,599.40
  6. Step 6: Final answer
    x = 41,025.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.