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Finding the Fourth Proportional to 62,133, 93,201.66 and 20,578.92

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Solution

The fourth proportional to 62,133, 93,201.66 and 20,578.92 is: 30,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,133 : 93,201.66 = 20,578.92 : x
  2. Step 2: Convert to fraction form
    62,133/93,201.66 = 20,578.92/x
  3. Step 3: Cross multiply
    62,133x = 93,201.66 × 20,578.92
  4. Step 4: Simplify right side
    62,133x = 1,917,989,505.01
  5. Step 5: Solve for x
    x = 1,917,989,505.01/62,133
  6. Step 6: Final answer
    x = 30,869.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.