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Finding the Fourth Proportional to 8,889.48, 13,334.10 and 8,348.16

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Solution

The fourth proportional to 8,889.48, 13,334.10 and 8,348.16 is: 12,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.48 : 13,334.10 = 8,348.16 : x
  2. Step 2: Convert to fraction form
    8,889.48/13,334.10 = 8,348.16/x
  3. Step 3: Cross multiply
    8,889.48x = 13,334.10 × 8,348.16
  4. Step 4: Simplify right side
    8,889.48x = 111,315,200.26
  5. Step 5: Solve for x
    x = 111,315,200.26/8,889.48
  6. Step 6: Final answer
    x = 12,522.13

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Double scale
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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.