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Finding the Fourth Proportional to 9,588.72, 13,239.64 and 9,435.62

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Solution

The fourth proportional to 9,588.72, 13,239.64 and 9,435.62 is: 13,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,588.72 : 13,239.64 = 9,435.62 : x
  2. Step 2: Convert to fraction form
    9,588.72/13,239.64 = 9,435.62/x
  3. Step 3: Cross multiply
    9,588.72x = 13,239.64 × 9,435.62
  4. Step 4: Simplify right side
    9,588.72x = 124,924,211.98
  5. Step 5: Solve for x
    x = 124,924,211.98/9,588.72
  6. Step 6: Final answer
    x = 13,028.25

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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.