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Finding the Fourth Proportional to 5,669.45, 8,502.63 and 3,586.32

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Solution

The fourth proportional to 5,669.45, 8,502.63 and 3,586.32 is: 5,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.45 : 8,502.63 = 3,586.32 : x
  2. Step 2: Convert to fraction form
    5,669.45/8,502.63 = 3,586.32/x
  3. Step 3: Cross multiply
    5,669.45x = 8,502.63 × 3,586.32
  4. Step 4: Simplify right side
    5,669.45x = 30,493,152.02
  5. Step 5: Solve for x
    x = 30,493,152.02/5,669.45
  6. Step 6: Final answer
    x = 5,378.50

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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.