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Finding the Fourth Proportional to 9,866.80, 14,808.60 and 4,027.60

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Solution

The fourth proportional to 9,866.80, 14,808.60 and 4,027.60 is: 6,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.80 : 14,808.60 = 4,027.60 : x
  2. Step 2: Convert to fraction form
    9,866.80/14,808.60 = 4,027.60/x
  3. Step 3: Cross multiply
    9,866.80x = 14,808.60 × 4,027.60
  4. Step 4: Simplify right side
    9,866.80x = 59,643,117.36
  5. Step 5: Solve for x
    x = 59,643,117.36/9,866.80
  6. Step 6: Final answer
    x = 6,044.83

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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.