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Finding the Fourth Proportional to 7,998.17, 11,034.50 and 4,639.10

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Solution

The fourth proportional to 7,998.17, 11,034.50 and 4,639.10 is: 6,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.17 : 11,034.50 = 4,639.10 : x
  2. Step 2: Convert to fraction form
    7,998.17/11,034.50 = 4,639.10/x
  3. Step 3: Cross multiply
    7,998.17x = 11,034.50 × 4,639.10
  4. Step 4: Simplify right side
    7,998.17x = 51,190,070.58
  5. Step 5: Solve for x
    x = 51,190,070.58/7,998.17
  6. Step 6: Final answer
    x = 6,400.23

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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.