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Finding the Fourth Proportional to 8,774.70, 13,165.68 and 4,613.70

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Solution

The fourth proportional to 8,774.70, 13,165.68 and 4,613.70 is: 6,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.70 : 13,165.68 = 4,613.70 : x
  2. Step 2: Convert to fraction form
    8,774.70/13,165.68 = 4,613.70/x
  3. Step 3: Cross multiply
    8,774.70x = 13,165.68 × 4,613.70
  4. Step 4: Simplify right side
    8,774.70x = 60,742,497.82
  5. Step 5: Solve for x
    x = 60,742,497.82/8,774.70
  6. Step 6: Final answer
    x = 6,922.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.