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Finding the Fourth Proportional to 9,798.60, 14,698.86 and 3,222.12

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Solution

The fourth proportional to 9,798.60, 14,698.86 and 3,222.12 is: 4,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.60 : 14,698.86 = 3,222.12 : x
  2. Step 2: Convert to fraction form
    9,798.60/14,698.86 = 3,222.12/x
  3. Step 3: Cross multiply
    9,798.60x = 14,698.86 × 3,222.12
  4. Step 4: Simplify right side
    9,798.60x = 47,361,490.78
  5. Step 5: Solve for x
    x = 47,361,490.78/9,798.60
  6. Step 6: Final answer
    x = 4,833.50

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Double scale
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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.