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Finding the Fourth Proportional to 62,678.56, 86,496.51 and 35,820.99

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Solution

The fourth proportional to 62,678.56, 86,496.51 and 35,820.99 is: 49,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,678.56 : 86,496.51 = 35,820.99 : x
  2. Step 2: Convert to fraction form
    62,678.56/86,496.51 = 35,820.99/x
  3. Step 3: Cross multiply
    62,678.56x = 86,496.51 × 35,820.99
  4. Step 4: Simplify right side
    62,678.56x = 3,098,390,619.74
  5. Step 5: Solve for x
    x = 3,098,390,619.74/62,678.56
  6. Step 6: Final answer
    x = 49,433.02

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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.