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Finding the Fourth Proportional to 44,923.60, 67,385.40 and 11,643.40

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Solution

The fourth proportional to 44,923.60, 67,385.40 and 11,643.40 is: 17,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,923.60 : 67,385.40 = 11,643.40 : x
  2. Step 2: Convert to fraction form
    44,923.60/67,385.40 = 11,643.40/x
  3. Step 3: Cross multiply
    44,923.60x = 67,385.40 × 11,643.40
  4. Step 4: Simplify right side
    44,923.60x = 784,595,166.36
  5. Step 5: Solve for x
    x = 784,595,166.36/44,923.60
  6. Step 6: Final answer
    x = 17,465.10

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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.