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Finding the Fourth Proportional to 22,482.60, 31,027.86 and 12,411.96

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Solution

The fourth proportional to 22,482.60, 31,027.86 and 12,411.96 is: 17,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.60 : 31,027.86 = 12,411.96 : x
  2. Step 2: Convert to fraction form
    22,482.60/31,027.86 = 12,411.96/x
  3. Step 3: Cross multiply
    22,482.60x = 31,027.86 × 12,411.96
  4. Step 4: Simplify right side
    22,482.60x = 385,116,557.21
  5. Step 5: Solve for x
    x = 385,116,557.21/22,482.60
  6. Step 6: Final answer
    x = 17,129.54

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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.