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Finding the Fourth Proportional to 61,754.92, 85,220.01 and 36,260.86

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Solution

The fourth proportional to 61,754.92, 85,220.01 and 36,260.86 is: 50,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.92 : 85,220.01 = 36,260.86 : x
  2. Step 2: Convert to fraction form
    61,754.92/85,220.01 = 36,260.86/x
  3. Step 3: Cross multiply
    61,754.92x = 85,220.01 × 36,260.86
  4. Step 4: Simplify right side
    61,754.92x = 3,090,150,851.81
  5. Step 5: Solve for x
    x = 3,090,150,851.81/61,754.92
  6. Step 6: Final answer
    x = 50,038.94

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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.