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Finding the Fourth Proportional to 14,817.94, 20,445.35 and 8,848.44

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Solution

The fourth proportional to 14,817.94, 20,445.35 and 8,848.44 is: 12,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.94 : 20,445.35 = 8,848.44 : x
  2. Step 2: Convert to fraction form
    14,817.94/20,445.35 = 8,848.44/x
  3. Step 3: Cross multiply
    14,817.94x = 20,445.35 × 8,848.44
  4. Step 4: Simplify right side
    14,817.94x = 180,909,408.51
  5. Step 5: Solve for x
    x = 180,909,408.51/14,817.94
  6. Step 6: Final answer
    x = 12,208.81

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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.