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Finding the Fourth Proportional to 15,443.84, 23,170.08 and 6,078.08

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Solution

The fourth proportional to 15,443.84, 23,170.08 and 6,078.08 is: 9,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.84 : 23,170.08 = 6,078.08 : x
  2. Step 2: Convert to fraction form
    15,443.84/23,170.08 = 6,078.08/x
  3. Step 3: Cross multiply
    15,443.84x = 23,170.08 × 6,078.08
  4. Step 4: Simplify right side
    15,443.84x = 140,829,599.85
  5. Step 5: Solve for x
    x = 140,829,599.85/15,443.84
  6. Step 6: Final answer
    x = 9,118.82

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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.