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Finding the Fourth Proportional to 22,457, 33,685.36 and 5,816.99

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Solution

The fourth proportional to 22,457, 33,685.36 and 5,816.99 is: 8,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457 : 33,685.36 = 5,816.99 : x
  2. Step 2: Convert to fraction form
    22,457/33,685.36 = 5,816.99/x
  3. Step 3: Cross multiply
    22,457x = 33,685.36 × 5,816.99
  4. Step 4: Simplify right side
    22,457x = 195,947,402.27
  5. Step 5: Solve for x
    x = 195,947,402.27/22,457
  6. Step 6: Final answer
    x = 8,725.45

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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.