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Finding the Fourth Proportional to 56,216.70, 77,569.65 and 33,564.78

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Solution

The fourth proportional to 56,216.70, 77,569.65 and 33,564.78 is: 46,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.70 : 77,569.65 = 33,564.78 : x
  2. Step 2: Convert to fraction form
    56,216.70/77,569.65 = 33,564.78/x
  3. Step 3: Cross multiply
    56,216.70x = 77,569.65 × 33,564.78
  4. Step 4: Simplify right side
    56,216.70x = 2,603,608,236.93
  5. Step 5: Solve for x
    x = 2,603,608,236.93/56,216.70
  6. Step 6: Final answer
    x = 46,313.79

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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.