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Finding the Fourth Proportional to 7,019.00, 9,684.55 and 4,187.41

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Solution

The fourth proportional to 7,019.00, 9,684.55 and 4,187.41 is: 5,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.00 : 9,684.55 = 4,187.41 : x
  2. Step 2: Convert to fraction form
    7,019.00/9,684.55 = 4,187.41/x
  3. Step 3: Cross multiply
    7,019.00x = 9,684.55 × 4,187.41
  4. Step 4: Simplify right side
    7,019.00x = 40,553,193.46
  5. Step 5: Solve for x
    x = 40,553,193.46/7,019.00
  6. Step 6: Final answer
    x = 5,777.63

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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.