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Finding the Fourth Proportional to 7,673.06, 11,509.59 and 2,407.88

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Solution

The fourth proportional to 7,673.06, 11,509.59 and 2,407.88 is: 3,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.06 : 11,509.59 = 2,407.88 : x
  2. Step 2: Convert to fraction form
    7,673.06/11,509.59 = 2,407.88/x
  3. Step 3: Cross multiply
    7,673.06x = 11,509.59 × 2,407.88
  4. Step 4: Simplify right side
    7,673.06x = 27,713,711.57
  5. Step 5: Solve for x
    x = 27,713,711.57/7,673.06
  6. Step 6: Final answer
    x = 3,611.82

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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.