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Finding the Fourth Proportional to 57,568.80, 79,443.48 and 32,075.28

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Solution

The fourth proportional to 57,568.80, 79,443.48 and 32,075.28 is: 44,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,568.80 : 79,443.48 = 32,075.28 : x
  2. Step 2: Convert to fraction form
    57,568.80/79,443.48 = 32,075.28/x
  3. Step 3: Cross multiply
    57,568.80x = 79,443.48 × 32,075.28
  4. Step 4: Simplify right side
    57,568.80x = 2,548,171,865.17
  5. Step 5: Solve for x
    x = 2,548,171,865.17/57,568.80
  6. Step 6: Final answer
    x = 44,263.07

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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.