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Finding the Fourth Proportional to 2,906.61, 4,359.93 and 1,056.93

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Solution

The fourth proportional to 2,906.61, 4,359.93 and 1,056.93 is: 1,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.61 : 4,359.93 = 1,056.93 : x
  2. Step 2: Convert to fraction form
    2,906.61/4,359.93 = 1,056.93/x
  3. Step 3: Cross multiply
    2,906.61x = 4,359.93 × 1,056.93
  4. Step 4: Simplify right side
    2,906.61x = 4,608,140.81
  5. Step 5: Solve for x
    x = 4,608,140.81/2,906.61
  6. Step 6: Final answer
    x = 1,585.40

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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.