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Finding the Fourth Proportional to 46,365.44, 69,548.16 and 18,644

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Solution

The fourth proportional to 46,365.44, 69,548.16 and 18,644 is: 27,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,365.44 : 69,548.16 = 18,644 : x
  2. Step 2: Convert to fraction form
    46,365.44/69,548.16 = 18,644/x
  3. Step 3: Cross multiply
    46,365.44x = 69,548.16 × 18,644
  4. Step 4: Simplify right side
    46,365.44x = 1,296,655,895.04
  5. Step 5: Solve for x
    x = 1,296,655,895.04/46,365.44
  6. Step 6: Final answer
    x = 27,966.00

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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.