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Finding the Fourth Proportional to 4,393.57, 6,583.83 and 4,284.91

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Solution

The fourth proportional to 4,393.57, 6,583.83 and 4,284.91 is: 6,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.57 : 6,583.83 = 4,284.91 : x
  2. Step 2: Convert to fraction form
    4,393.57/6,583.83 = 4,284.91/x
  3. Step 3: Cross multiply
    4,393.57x = 6,583.83 × 4,284.91
  4. Step 4: Simplify right side
    4,393.57x = 28,211,119.01
  5. Step 5: Solve for x
    x = 28,211,119.01/4,393.57
  6. Step 6: Final answer
    x = 6,421.00

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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.