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Finding the Fourth Proportional to 56,325.72, 77,724.24 and 33,660.24

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Solution

The fourth proportional to 56,325.72, 77,724.24 and 33,660.24 is: 46,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.72 : 77,724.24 = 33,660.24 : x
  2. Step 2: Convert to fraction form
    56,325.72/77,724.24 = 33,660.24/x
  3. Step 3: Cross multiply
    56,325.72x = 77,724.24 × 33,660.24
  4. Step 4: Simplify right side
    56,325.72x = 2,616,216,572.22
  5. Step 5: Solve for x
    x = 2,616,216,572.22/56,325.72
  6. Step 6: Final answer
    x = 46,447.99

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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.