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Finding the Fourth Proportional to 4,968.24, 6,857.04 and 4,812.16

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Solution

The fourth proportional to 4,968.24, 6,857.04 and 4,812.16 is: 6,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.24 : 6,857.04 = 4,812.16 : x
  2. Step 2: Convert to fraction form
    4,968.24/6,857.04 = 4,812.16/x
  3. Step 3: Cross multiply
    4,968.24x = 6,857.04 × 4,812.16
  4. Step 4: Simplify right side
    4,968.24x = 32,997,173.61
  5. Step 5: Solve for x
    x = 32,997,173.61/4,968.24
  6. Step 6: Final answer
    x = 6,641.62

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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.