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Finding the Fourth Proportional to 62,697.70, 86,522.84 and 35,840.80

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Solution

The fourth proportional to 62,697.70, 86,522.84 and 35,840.80 is: 49,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,697.70 : 86,522.84 = 35,840.80 : x
  2. Step 2: Convert to fraction form
    62,697.70/86,522.84 = 35,840.80/x
  3. Step 3: Cross multiply
    62,697.70x = 86,522.84 × 35,840.80
  4. Step 4: Simplify right side
    62,697.70x = 3,101,047,803.87
  5. Step 5: Solve for x
    x = 3,101,047,803.87/62,697.70
  6. Step 6: Final answer
    x = 49,460.31

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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.