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Finding the Fourth Proportional to 43,918.61, 65,903.22 and 43,562.00

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Solution

The fourth proportional to 43,918.61, 65,903.22 and 43,562.00 is: 65,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.61 : 65,903.22 = 43,562.00 : x
  2. Step 2: Convert to fraction form
    43,918.61/65,903.22 = 43,562.00/x
  3. Step 3: Cross multiply
    43,918.61x = 65,903.22 × 43,562.00
  4. Step 4: Simplify right side
    43,918.61x = 2,870,876,234.40
  5. Step 5: Solve for x
    x = 2,870,876,234.40/43,918.61
  6. Step 6: Final answer
    x = 65,368.11

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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.