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Finding the Fourth Proportional to 7,966.03, 10,992.67 and 4,429.17

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Solution

The fourth proportional to 7,966.03, 10,992.67 and 4,429.17 is: 6,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.03 : 10,992.67 = 4,429.17 : x
  2. Step 2: Convert to fraction form
    7,966.03/10,992.67 = 4,429.17/x
  3. Step 3: Cross multiply
    7,966.03x = 10,992.67 × 4,429.17
  4. Step 4: Simplify right side
    7,966.03x = 48,688,404.18
  5. Step 5: Solve for x
    x = 48,688,404.18/7,966.03
  6. Step 6: Final answer
    x = 6,112.00

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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.