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Finding the Fourth Proportional to 6,358.50, 8,774.79 and 3,564.06

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Solution

The fourth proportional to 6,358.50, 8,774.79 and 3,564.06 is: 4,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.50 : 8,774.79 = 3,564.06 : x
  2. Step 2: Convert to fraction form
    6,358.50/8,774.79 = 3,564.06/x
  3. Step 3: Cross multiply
    6,358.50x = 8,774.79 × 3,564.06
  4. Step 4: Simplify right side
    6,358.50x = 31,273,878.05
  5. Step 5: Solve for x
    x = 31,273,878.05/6,358.50
  6. Step 6: Final answer
    x = 4,918.44

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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.