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Finding the Fourth Proportional to 56,526.87, 77,984.89 and 33,866.82

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Solution

The fourth proportional to 56,526.87, 77,984.89 and 33,866.82 is: 46,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.87 : 77,984.89 = 33,866.82 : x
  2. Step 2: Convert to fraction form
    56,526.87/77,984.89 = 33,866.82/x
  3. Step 3: Cross multiply
    56,526.87x = 77,984.89 × 33,866.82
  4. Step 4: Simplify right side
    56,526.87x = 2,641,100,147.68
  5. Step 5: Solve for x
    x = 2,641,100,147.68/56,526.87
  6. Step 6: Final answer
    x = 46,722.91

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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.