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Finding the Fourth Proportional to 5,693.94, 8,543.43 and 1,998.81

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Solution

The fourth proportional to 5,693.94, 8,543.43 and 1,998.81 is: 2,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.94 : 8,543.43 = 1,998.81 : x
  2. Step 2: Convert to fraction form
    5,693.94/8,543.43 = 1,998.81/x
  3. Step 3: Cross multiply
    5,693.94x = 8,543.43 × 1,998.81
  4. Step 4: Simplify right side
    5,693.94x = 17,076,693.32
  5. Step 5: Solve for x
    x = 17,076,693.32/5,693.94
  6. Step 6: Final answer
    x = 2,999.10

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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.