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Finding the Fourth Proportional to 12,602.93, 18,905.93 and 5,583.00

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Solution

The fourth proportional to 12,602.93, 18,905.93 and 5,583.00 is: 8,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.93 : 18,905.93 = 5,583.00 : x
  2. Step 2: Convert to fraction form
    12,602.93/18,905.93 = 5,583.00/x
  3. Step 3: Cross multiply
    12,602.93x = 18,905.93 × 5,583.00
  4. Step 4: Simplify right side
    12,602.93x = 105,551,833.64
  5. Step 5: Solve for x
    x = 105,551,833.64/12,602.93
  6. Step 6: Final answer
    x = 8,375.18

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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.