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Finding the Fourth Proportional to 62,980.01, 86,911.10 and 34,299.98

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Solution

The fourth proportional to 62,980.01, 86,911.10 and 34,299.98 is: 47,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.01 : 86,911.10 = 34,299.98 : x
  2. Step 2: Convert to fraction form
    62,980.01/86,911.10 = 34,299.98/x
  3. Step 3: Cross multiply
    62,980.01x = 86,911.10 × 34,299.98
  4. Step 4: Simplify right side
    62,980.01x = 2,981,048,991.78
  5. Step 5: Solve for x
    x = 2,981,048,991.78/62,980.01
  6. Step 6: Final answer
    x = 47,333.26

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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.