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Finding the Fourth Proportional to 5,582.12, 8,365.86 and 4,184.44

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Solution

The fourth proportional to 5,582.12, 8,365.86 and 4,184.44 is: 6,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.12 : 8,365.86 = 4,184.44 : x
  2. Step 2: Convert to fraction form
    5,582.12/8,365.86 = 4,184.44/x
  3. Step 3: Cross multiply
    5,582.12x = 8,365.86 × 4,184.44
  4. Step 4: Simplify right side
    5,582.12x = 35,006,439.22
  5. Step 5: Solve for x
    x = 35,006,439.22/5,582.12
  6. Step 6: Final answer
    x = 6,271.17

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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.