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Finding the Fourth Proportional to 84,837.59, 127,062.59 and 40,495.56

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Solution

The fourth proportional to 84,837.59, 127,062.59 and 40,495.56 is: 60,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.59 : 127,062.59 = 40,495.56 : x
  2. Step 2: Convert to fraction form
    84,837.59/127,062.59 = 40,495.56/x
  3. Step 3: Cross multiply
    84,837.59x = 127,062.59 × 40,495.56
  4. Step 4: Simplify right side
    84,837.59x = 5,145,470,737.10
  5. Step 5: Solve for x
    x = 5,145,470,737.10/84,837.59
  6. Step 6: Final answer
    x = 60,650.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.