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Finding the Fourth Proportional to 44,643.74, 66,975.84 and 19,347.50

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Solution

The fourth proportional to 44,643.74, 66,975.84 and 19,347.50 is: 29,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,643.74 : 66,975.84 = 19,347.50 : x
  2. Step 2: Convert to fraction form
    44,643.74/66,975.84 = 19,347.50/x
  3. Step 3: Cross multiply
    44,643.74x = 66,975.84 × 19,347.50
  4. Step 4: Simplify right side
    44,643.74x = 1,295,815,259.05
  5. Step 5: Solve for x
    x = 1,295,815,259.05/44,643.74
  6. Step 6: Final answer
    x = 29,025.69

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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.