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Finding the Fourth Proportional to 57,655.16, 79,572.04 and 33,791.34

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Solution

The fourth proportional to 57,655.16, 79,572.04 and 33,791.34 is: 46,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,655.16 : 79,572.04 = 33,791.34 : x
  2. Step 2: Convert to fraction form
    57,655.16/79,572.04 = 33,791.34/x
  3. Step 3: Cross multiply
    57,655.16x = 79,572.04 × 33,791.34
  4. Step 4: Simplify right side
    57,655.16x = 2,688,846,072.05
  5. Step 5: Solve for x
    x = 2,688,846,072.05/57,655.16
  6. Step 6: Final answer
    x = 46,636.70

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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.