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Finding the Fourth Proportional to 7,599.15, 11,382.93 and 3,890.16

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Solution

The fourth proportional to 7,599.15, 11,382.93 and 3,890.16 is: 5,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.15 : 11,382.93 = 3,890.16 : x
  2. Step 2: Convert to fraction form
    7,599.15/11,382.93 = 3,890.16/x
  3. Step 3: Cross multiply
    7,599.15x = 11,382.93 × 3,890.16
  4. Step 4: Simplify right side
    7,599.15x = 44,281,418.97
  5. Step 5: Solve for x
    x = 44,281,418.97/7,599.15
  6. Step 6: Final answer
    x = 5,827.15

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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.