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Finding the Fourth Proportional to 13,648.16, 18,752.80 and 10,848.80

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Solution

The fourth proportional to 13,648.16, 18,752.80 and 10,848.80 is: 14,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.16 : 18,752.80 = 10,848.80 : x
  2. Step 2: Convert to fraction form
    13,648.16/18,752.80 = 10,848.80/x
  3. Step 3: Cross multiply
    13,648.16x = 18,752.80 × 10,848.80
  4. Step 4: Simplify right side
    13,648.16x = 203,445,376.64
  5. Step 5: Solve for x
    x = 203,445,376.64/13,648.16
  6. Step 6: Final answer
    x = 14,906.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.