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Finding the Fourth Proportional to 61,236.76, 84,506.01 and 34,378.60

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Solution

The fourth proportional to 61,236.76, 84,506.01 and 34,378.60 is: 47,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236.76 : 84,506.01 = 34,378.60 : x
  2. Step 2: Convert to fraction form
    61,236.76/84,506.01 = 34,378.60/x
  3. Step 3: Cross multiply
    61,236.76x = 84,506.01 × 34,378.60
  4. Step 4: Simplify right side
    61,236.76x = 2,905,198,315.39
  5. Step 5: Solve for x
    x = 2,905,198,315.39/61,236.76
  6. Step 6: Final answer
    x = 47,442.06

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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.