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Finding the Fourth Proportional to 13,903.54, 20,846.08 and 9,748.58

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Solution

The fourth proportional to 13,903.54, 20,846.08 and 9,748.58 is: 14,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.54 : 20,846.08 = 9,748.58 : x
  2. Step 2: Convert to fraction form
    13,903.54/20,846.08 = 9,748.58/x
  3. Step 3: Cross multiply
    13,903.54x = 20,846.08 × 9,748.58
  4. Step 4: Simplify right side
    13,903.54x = 203,219,682.27
  5. Step 5: Solve for x
    x = 203,219,682.27/13,903.54
  6. Step 6: Final answer
    x = 14,616.40

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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.