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Finding the Fourth Proportional to 23,203.58, 32,019.18 and 13,643.88

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Solution

The fourth proportional to 23,203.58, 32,019.18 and 13,643.88 is: 18,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,203.58 : 32,019.18 = 13,643.88 : x
  2. Step 2: Convert to fraction form
    23,203.58/32,019.18 = 13,643.88/x
  3. Step 3: Cross multiply
    23,203.58x = 32,019.18 × 13,643.88
  4. Step 4: Simplify right side
    23,203.58x = 436,865,849.62
  5. Step 5: Solve for x
    x = 436,865,849.62/23,203.58
  6. Step 6: Final answer
    x = 18,827.52

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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.