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Finding the Fourth Proportional to 9,483.14, 13,081.62 and 7,241.12

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Solution

The fourth proportional to 9,483.14, 13,081.62 and 7,241.12 is: 9,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,483.14 : 13,081.62 = 7,241.12 : x
  2. Step 2: Convert to fraction form
    9,483.14/13,081.62 = 7,241.12/x
  3. Step 3: Cross multiply
    9,483.14x = 13,081.62 × 7,241.12
  4. Step 4: Simplify right side
    9,483.14x = 94,725,580.21
  5. Step 5: Solve for x
    x = 94,725,580.21/9,483.14
  6. Step 6: Final answer
    x = 9,988.84

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.