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Finding the Fourth Proportional to 8,704.42, 12,012.03 and 4,725.53

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Solution

The fourth proportional to 8,704.42, 12,012.03 and 4,725.53 is: 6,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.42 : 12,012.03 = 4,725.53 : x
  2. Step 2: Convert to fraction form
    8,704.42/12,012.03 = 4,725.53/x
  3. Step 3: Cross multiply
    8,704.42x = 12,012.03 × 4,725.53
  4. Step 4: Simplify right side
    8,704.42x = 56,763,208.13
  5. Step 5: Solve for x
    x = 56,763,208.13/8,704.42
  6. Step 6: Final answer
    x = 6,521.19

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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.