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Finding the Fourth Proportional to 5,647.04, 8,471.06 and 1,486.98

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Solution

The fourth proportional to 5,647.04, 8,471.06 and 1,486.98 is: 2,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.04 : 8,471.06 = 1,486.98 : x
  2. Step 2: Convert to fraction form
    5,647.04/8,471.06 = 1,486.98/x
  3. Step 3: Cross multiply
    5,647.04x = 8,471.06 × 1,486.98
  4. Step 4: Simplify right side
    5,647.04x = 12,596,296.80
  5. Step 5: Solve for x
    x = 12,596,296.80/5,647.04
  6. Step 6: Final answer
    x = 2,230.60

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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.