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Finding the Fourth Proportional to 30,047.76, 41,419.89 and 22,482.63

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Solution

The fourth proportional to 30,047.76, 41,419.89 and 22,482.63 is: 30,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.76 : 41,419.89 = 22,482.63 : x
  2. Step 2: Convert to fraction form
    30,047.76/41,419.89 = 22,482.63/x
  3. Step 3: Cross multiply
    30,047.76x = 41,419.89 × 22,482.63
  4. Step 4: Simplify right side
    30,047.76x = 931,228,061.51
  5. Step 5: Solve for x
    x = 931,228,061.51/30,047.76
  6. Step 6: Final answer
    x = 30,991.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.