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Finding the Fourth Proportional to 8,369.67, 11,549.64 and 4,785.01

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Solution

The fourth proportional to 8,369.67, 11,549.64 and 4,785.01 is: 6,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.67 : 11,549.64 = 4,785.01 : x
  2. Step 2: Convert to fraction form
    8,369.67/11,549.64 = 4,785.01/x
  3. Step 3: Cross multiply
    8,369.67x = 11,549.64 × 4,785.01
  4. Step 4: Simplify right side
    8,369.67x = 55,265,142.90
  5. Step 5: Solve for x
    x = 55,265,142.90/8,369.67
  6. Step 6: Final answer
    x = 6,603.03

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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.