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Finding the Fourth Proportional to 82,722.74, 114,162.99 and 46,915.03

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Solution

The fourth proportional to 82,722.74, 114,162.99 and 46,915.03 is: 64,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,722.74 : 114,162.99 = 46,915.03 : x
  2. Step 2: Convert to fraction form
    82,722.74/114,162.99 = 46,915.03/x
  3. Step 3: Cross multiply
    82,722.74x = 114,162.99 × 46,915.03
  4. Step 4: Simplify right side
    82,722.74x = 5,355,960,067.51
  5. Step 5: Solve for x
    x = 5,355,960,067.51/82,722.74
  6. Step 6: Final answer
    x = 64,745.93

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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.