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Finding the Fourth Proportional to 23,625.84, 35,438.72 and 6,986.08

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Solution

The fourth proportional to 23,625.84, 35,438.72 and 6,986.08 is: 10,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,625.84 : 35,438.72 = 6,986.08 : x
  2. Step 2: Convert to fraction form
    23,625.84/35,438.72 = 6,986.08/x
  3. Step 3: Cross multiply
    23,625.84x = 35,438.72 × 6,986.08
  4. Step 4: Simplify right side
    23,625.84x = 247,577,733.02
  5. Step 5: Solve for x
    x = 247,577,733.02/23,625.84
  6. Step 6: Final answer
    x = 10,479.11

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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.