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Finding the Fourth Proportional to 7,382.94, 11,070.90 and 2,699.58

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Solution

The fourth proportional to 7,382.94, 11,070.90 and 2,699.58 is: 4,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.94 : 11,070.90 = 2,699.58 : x
  2. Step 2: Convert to fraction form
    7,382.94/11,070.90 = 2,699.58/x
  3. Step 3: Cross multiply
    7,382.94x = 11,070.90 × 2,699.58
  4. Step 4: Simplify right side
    7,382.94x = 29,886,780.22
  5. Step 5: Solve for x
    x = 29,886,780.22/7,382.94
  6. Step 6: Final answer
    x = 4,048.09

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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.