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Finding the Fourth Proportional to 23,539.88, 32,487.91 and 13,603.88

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Solution

The fourth proportional to 23,539.88, 32,487.91 and 13,603.88 is: 18,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,539.88 : 32,487.91 = 13,603.88 : x
  2. Step 2: Convert to fraction form
    23,539.88/32,487.91 = 13,603.88/x
  3. Step 3: Cross multiply
    23,539.88x = 32,487.91 × 13,603.88
  4. Step 4: Simplify right side
    23,539.88x = 441,961,432.64
  5. Step 5: Solve for x
    x = 441,961,432.64/23,539.88
  6. Step 6: Final answer
    x = 18,775.01

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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.