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Finding the Fourth Proportional to 6,144.16, 8,480.04 and 3,492.64

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Solution

The fourth proportional to 6,144.16, 8,480.04 and 3,492.64 is: 4,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.16 : 8,480.04 = 3,492.64 : x
  2. Step 2: Convert to fraction form
    6,144.16/8,480.04 = 3,492.64/x
  3. Step 3: Cross multiply
    6,144.16x = 8,480.04 × 3,492.64
  4. Step 4: Simplify right side
    6,144.16x = 29,617,726.91
  5. Step 5: Solve for x
    x = 29,617,726.91/6,144.16
  6. Step 6: Final answer
    x = 4,820.47

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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.