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Finding the Fourth Proportional to 9,281.98, 13,893.54 and 6,928.12

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Solution

The fourth proportional to 9,281.98, 13,893.54 and 6,928.12 is: 10,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.98 : 13,893.54 = 6,928.12 : x
  2. Step 2: Convert to fraction form
    9,281.98/13,893.54 = 6,928.12/x
  3. Step 3: Cross multiply
    9,281.98x = 13,893.54 × 6,928.12
  4. Step 4: Simplify right side
    9,281.98x = 96,256,112.34
  5. Step 5: Solve for x
    x = 96,256,112.34/9,281.98
  6. Step 6: Final answer
    x = 10,370.21

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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.