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Finding the Fourth Proportional to 9,855.80, 14,783.70 and 4,016.60

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Solution

The fourth proportional to 9,855.80, 14,783.70 and 4,016.60 is: 6,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.80 : 14,783.70 = 4,016.60 : x
  2. Step 2: Convert to fraction form
    9,855.80/14,783.70 = 4,016.60/x
  3. Step 3: Cross multiply
    9,855.80x = 14,783.70 × 4,016.60
  4. Step 4: Simplify right side
    9,855.80x = 59,380,209.42
  5. Step 5: Solve for x
    x = 59,380,209.42/9,855.80
  6. Step 6: Final answer
    x = 6,024.90

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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.