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Finding the Fourth Proportional to 9,878.62, 14,817.95 and 4,035.23

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Solution

The fourth proportional to 9,878.62, 14,817.95 and 4,035.23 is: 6,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.62 : 14,817.95 = 4,035.23 : x
  2. Step 2: Convert to fraction form
    9,878.62/14,817.95 = 4,035.23/x
  3. Step 3: Cross multiply
    9,878.62x = 14,817.95 × 4,035.23
  4. Step 4: Simplify right side
    9,878.62x = 59,793,843.14
  5. Step 5: Solve for x
    x = 59,793,843.14/9,878.62
  6. Step 6: Final answer
    x = 6,052.85

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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.