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Finding the Fourth Proportional to 62,715.05, 86,546.79 and 35,858.08

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Solution

The fourth proportional to 62,715.05, 86,546.79 and 35,858.08 is: 49,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,715.05 : 86,546.79 = 35,858.08 : x
  2. Step 2: Convert to fraction form
    62,715.05/86,546.79 = 35,858.08/x
  3. Step 3: Cross multiply
    62,715.05x = 86,546.79 × 35,858.08
  4. Step 4: Simplify right side
    62,715.05x = 3,103,401,719.56
  5. Step 5: Solve for x
    x = 3,103,401,719.56/62,715.05
  6. Step 6: Final answer
    x = 49,484.16

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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.