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Finding the Fourth Proportional to 40,137.61, 60,208.98 and 13,482.52

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Solution

The fourth proportional to 40,137.61, 60,208.98 and 13,482.52 is: 20,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.61 : 60,208.98 = 13,482.52 : x
  2. Step 2: Convert to fraction form
    40,137.61/60,208.98 = 13,482.52/x
  3. Step 3: Cross multiply
    40,137.61x = 60,208.98 × 13,482.52
  4. Step 4: Simplify right side
    40,137.61x = 811,768,777.03
  5. Step 5: Solve for x
    x = 811,768,777.03/40,137.61
  6. Step 6: Final answer
    x = 20,224.64

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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.