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Finding the Fourth Proportional to 48,540.51, 72,811.14 and 13,482.90

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Solution

The fourth proportional to 48,540.51, 72,811.14 and 13,482.90 is: 20,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,540.51 : 72,811.14 = 13,482.90 : x
  2. Step 2: Convert to fraction form
    48,540.51/72,811.14 = 13,482.90/x
  3. Step 3: Cross multiply
    48,540.51x = 72,811.14 × 13,482.90
  4. Step 4: Simplify right side
    48,540.51x = 981,705,319.51
  5. Step 5: Solve for x
    x = 981,705,319.51/48,540.51
  6. Step 6: Final answer
    x = 20,224.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.