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Finding the Fourth Proportional to 8,307.14, 11,462.54 and 4,949.87

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Solution

The fourth proportional to 8,307.14, 11,462.54 and 4,949.87 is: 6,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.14 : 11,462.54 = 4,949.87 : x
  2. Step 2: Convert to fraction form
    8,307.14/11,462.54 = 4,949.87/x
  3. Step 3: Cross multiply
    8,307.14x = 11,462.54 × 4,949.87
  4. Step 4: Simplify right side
    8,307.14x = 56,738,000.81
  5. Step 5: Solve for x
    x = 56,738,000.81/8,307.14
  6. Step 6: Final answer
    x = 6,830.03

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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.