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Finding the Fourth Proportional to 8,804.16, 12,136.88 and 6,704.64

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Solution

The fourth proportional to 8,804.16, 12,136.88 and 6,704.64 is: 9,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.16 : 12,136.88 = 6,704.64 : x
  2. Step 2: Convert to fraction form
    8,804.16/12,136.88 = 6,704.64/x
  3. Step 3: Cross multiply
    8,804.16x = 12,136.88 × 6,704.64
  4. Step 4: Simplify right side
    8,804.16x = 81,373,411.12
  5. Step 5: Solve for x
    x = 81,373,411.12/8,804.16
  6. Step 6: Final answer
    x = 9,242.61

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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.