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Finding the Fourth Proportional to 7,889.04, 11,829.72 and 4,193.04

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Solution

The fourth proportional to 7,889.04, 11,829.72 and 4,193.04 is: 6,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.04 : 11,829.72 = 4,193.04 : x
  2. Step 2: Convert to fraction form
    7,889.04/11,829.72 = 4,193.04/x
  3. Step 3: Cross multiply
    7,889.04x = 11,829.72 × 4,193.04
  4. Step 4: Simplify right side
    7,889.04x = 49,602,489.15
  5. Step 5: Solve for x
    x = 49,602,489.15/7,889.04
  6. Step 6: Final answer
    x = 6,287.52

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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.