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Finding the Fourth Proportional to 8,927.48, 13,296.92 and 8,459.12

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Solution

The fourth proportional to 8,927.48, 13,296.92 and 8,459.12 is: 12,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.48 : 13,296.92 = 8,459.12 : x
  2. Step 2: Convert to fraction form
    8,927.48/13,296.92 = 8,459.12/x
  3. Step 3: Cross multiply
    8,927.48x = 13,296.92 × 8,459.12
  4. Step 4: Simplify right side
    8,927.48x = 112,480,241.91
  5. Step 5: Solve for x
    x = 112,480,241.91/8,927.48
  6. Step 6: Final answer
    x = 12,599.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.