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Finding the Fourth Proportional to 6,312.28, 8,704.11 and 4,297

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Solution

The fourth proportional to 6,312.28, 8,704.11 and 4,297 is: 5,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.28 : 8,704.11 = 4,297 : x
  2. Step 2: Convert to fraction form
    6,312.28/8,704.11 = 4,297/x
  3. Step 3: Cross multiply
    6,312.28x = 8,704.11 × 4,297
  4. Step 4: Simplify right side
    6,312.28x = 37,401,560.67
  5. Step 5: Solve for x
    x = 37,401,560.67/6,312.28
  6. Step 6: Final answer
    x = 5,925.21

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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.