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Finding the Fourth Proportional to 4,497.40, 6,187.98 and 4,393.72

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Solution

The fourth proportional to 4,497.40, 6,187.98 and 4,393.72 is: 6,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,497.40 : 6,187.98 = 4,393.72 : x
  2. Step 2: Convert to fraction form
    4,497.40/6,187.98 = 4,393.72/x
  3. Step 3: Cross multiply
    4,497.40x = 6,187.98 × 4,393.72
  4. Step 4: Simplify right side
    4,497.40x = 27,188,251.49
  5. Step 5: Solve for x
    x = 27,188,251.49/4,497.40
  6. Step 6: Final answer
    x = 6,045.33

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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.