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Finding the Fourth Proportional to 66,241.34, 91,495.10 and 48,062.90

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Solution

The fourth proportional to 66,241.34, 91,495.10 and 48,062.90 is: 66,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,241.34 : 91,495.10 = 48,062.90 : x
  2. Step 2: Convert to fraction form
    66,241.34/91,495.10 = 48,062.90/x
  3. Step 3: Cross multiply
    66,241.34x = 91,495.10 × 48,062.90
  4. Step 4: Simplify right side
    66,241.34x = 4,397,520,190.69
  5. Step 5: Solve for x
    x = 4,397,520,190.69/66,241.34
  6. Step 6: Final answer
    x = 66,386.34

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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.