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Finding the Fourth Proportional to 5,868.21, 8,802.32 and 1,485.66

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Solution

The fourth proportional to 5,868.21, 8,802.32 and 1,485.66 is: 2,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.21 : 8,802.32 = 1,485.66 : x
  2. Step 2: Convert to fraction form
    5,868.21/8,802.32 = 1,485.66/x
  3. Step 3: Cross multiply
    5,868.21x = 8,802.32 × 1,485.66
  4. Step 4: Simplify right side
    5,868.21x = 13,077,247.30
  5. Step 5: Solve for x
    x = 13,077,247.30/5,868.21
  6. Step 6: Final answer
    x = 2,228.49

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Similar ratio
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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.