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Finding the Fourth Proportional to 13,200.69, 19,798.92 and 4,884.69

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Solution

The fourth proportional to 13,200.69, 19,798.92 and 4,884.69 is: 7,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.69 : 19,798.92 = 4,884.69 : x
  2. Step 2: Convert to fraction form
    13,200.69/19,798.92 = 4,884.69/x
  3. Step 3: Cross multiply
    13,200.69x = 19,798.92 × 4,884.69
  4. Step 4: Simplify right side
    13,200.69x = 96,711,586.53
  5. Step 5: Solve for x
    x = 96,711,586.53/13,200.69
  6. Step 6: Final answer
    x = 7,326.25

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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.