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Finding the Fourth Proportional to 55,573.52, 76,716.48 and 35,457.44

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Solution

The fourth proportional to 55,573.52, 76,716.48 and 35,457.44 is: 48,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.52 : 76,716.48 = 35,457.44 : x
  2. Step 2: Convert to fraction form
    55,573.52/76,716.48 = 35,457.44/x
  3. Step 3: Cross multiply
    55,573.52x = 76,716.48 × 35,457.44
  4. Step 4: Simplify right side
    55,573.52x = 2,720,169,986.61
  5. Step 5: Solve for x
    x = 2,720,169,986.61/55,573.52
  6. Step 6: Final answer
    x = 48,947.23

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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.