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Finding the Fourth Proportional to 32,380.56, 48,564.36 and 9,000.72

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Solution

The fourth proportional to 32,380.56, 48,564.36 and 9,000.72 is: 13,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,380.56 : 48,564.36 = 9,000.72 : x
  2. Step 2: Convert to fraction form
    32,380.56/48,564.36 = 9,000.72/x
  3. Step 3: Cross multiply
    32,380.56x = 48,564.36 × 9,000.72
  4. Step 4: Simplify right side
    32,380.56x = 437,114,206.34
  5. Step 5: Solve for x
    x = 437,114,206.34/32,380.56
  6. Step 6: Final answer
    x = 13,499.28

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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.