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Finding the Fourth Proportional to 8,153.17, 12,221.16 and 3,773.50

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Solution

The fourth proportional to 8,153.17, 12,221.16 and 3,773.50 is: 5,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.17 : 12,221.16 = 3,773.50 : x
  2. Step 2: Convert to fraction form
    8,153.17/12,221.16 = 3,773.50/x
  3. Step 3: Cross multiply
    8,153.17x = 12,221.16 × 3,773.50
  4. Step 4: Simplify right side
    8,153.17x = 46,116,547.26
  5. Step 5: Solve for x
    x = 46,116,547.26/8,153.17
  6. Step 6: Final answer
    x = 5,656.27

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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.