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Finding the Fourth Proportional to 84,697.76, 127,087.94 and 34,792.85

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Solution

The fourth proportional to 84,697.76, 127,087.94 and 34,792.85 is: 52,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.76 : 127,087.94 = 34,792.85 : x
  2. Step 2: Convert to fraction form
    84,697.76/127,087.94 = 34,792.85/x
  3. Step 3: Cross multiply
    84,697.76x = 127,087.94 × 34,792.85
  4. Step 4: Simplify right side
    84,697.76x = 4,421,751,084.77
  5. Step 5: Solve for x
    x = 4,421,751,084.77/84,697.76
  6. Step 6: Final answer
    x = 52,206.24

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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.