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Finding the Fourth Proportional to 57,341.55, 79,120.90 and 34,677.39

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Solution

The fourth proportional to 57,341.55, 79,120.90 and 34,677.39 is: 47,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,341.55 : 79,120.90 = 34,677.39 : x
  2. Step 2: Convert to fraction form
    57,341.55/79,120.90 = 34,677.39/x
  3. Step 3: Cross multiply
    57,341.55x = 79,120.90 × 34,677.39
  4. Step 4: Simplify right side
    57,341.55x = 2,743,706,306.45
  5. Step 5: Solve for x
    x = 2,743,706,306.45/57,341.55
  6. Step 6: Final answer
    x = 47,848.49

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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.