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Finding the Fourth Proportional to 7,339.97, 11,009.82 and 2,957.32

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Solution

The fourth proportional to 7,339.97, 11,009.82 and 2,957.32 is: 4,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.97 : 11,009.82 = 2,957.32 : x
  2. Step 2: Convert to fraction form
    7,339.97/11,009.82 = 2,957.32/x
  3. Step 3: Cross multiply
    7,339.97x = 11,009.82 × 2,957.32
  4. Step 4: Simplify right side
    7,339.97x = 32,559,505.83
  5. Step 5: Solve for x
    x = 32,559,505.83/7,339.97
  6. Step 6: Final answer
    x = 4,435.92

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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.