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Finding the Fourth Proportional to 6,475.04, 8,936.16 and 4,492.16

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Solution

The fourth proportional to 6,475.04, 8,936.16 and 4,492.16 is: 6,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.04 : 8,936.16 = 4,492.16 : x
  2. Step 2: Convert to fraction form
    6,475.04/8,936.16 = 4,492.16/x
  3. Step 3: Cross multiply
    6,475.04x = 8,936.16 × 4,492.16
  4. Step 4: Simplify right side
    6,475.04x = 40,142,660.51
  5. Step 5: Solve for x
    x = 40,142,660.51/6,475.04
  6. Step 6: Final answer
    x = 6,199.60

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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.