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Finding the Fourth Proportional to 5,008.96, 6,914.19 and 3,019.60

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Solution

The fourth proportional to 5,008.96, 6,914.19 and 3,019.60 is: 4,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.96 : 6,914.19 = 3,019.60 : x
  2. Step 2: Convert to fraction form
    5,008.96/6,914.19 = 3,019.60/x
  3. Step 3: Cross multiply
    5,008.96x = 6,914.19 × 3,019.60
  4. Step 4: Simplify right side
    5,008.96x = 20,878,088.12
  5. Step 5: Solve for x
    x = 20,878,088.12/5,008.96
  6. Step 6: Final answer
    x = 4,168.15

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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.