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Finding the Fourth Proportional to 8,480.62, 11,702.88 and 4,652.34

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Solution

The fourth proportional to 8,480.62, 11,702.88 and 4,652.34 is: 6,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.62 : 11,702.88 = 4,652.34 : x
  2. Step 2: Convert to fraction form
    8,480.62/11,702.88 = 4,652.34/x
  3. Step 3: Cross multiply
    8,480.62x = 11,702.88 × 4,652.34
  4. Step 4: Simplify right side
    8,480.62x = 54,445,776.74
  5. Step 5: Solve for x
    x = 54,445,776.74/8,480.62
  6. Step 6: Final answer
    x = 6,420.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.