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Finding the Fourth Proportional to 62,805.10, 86,674.91 and 35,946.99

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Solution

The fourth proportional to 62,805.10, 86,674.91 and 35,946.99 is: 49,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.10 : 86,674.91 = 35,946.99 : x
  2. Step 2: Convert to fraction form
    62,805.10/86,674.91 = 35,946.99/x
  3. Step 3: Cross multiply
    62,805.10x = 86,674.91 × 35,946.99
  4. Step 4: Simplify right side
    62,805.10x = 3,115,702,145.49
  5. Step 5: Solve for x
    x = 3,115,702,145.49/62,805.10
  6. Step 6: Final answer
    x = 49,609.07

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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.