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Finding the Fourth Proportional to 44,703.60, 66,978.60 and 23,612.40

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Solution

The fourth proportional to 44,703.60, 66,978.60 and 23,612.40 is: 35,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,703.60 : 66,978.60 = 23,612.40 : x
  2. Step 2: Convert to fraction form
    44,703.60/66,978.60 = 23,612.40/x
  3. Step 3: Cross multiply
    44,703.60x = 66,978.60 × 23,612.40
  4. Step 4: Simplify right side
    44,703.60x = 1,581,525,494.64
  5. Step 5: Solve for x
    x = 1,581,525,494.64/44,703.60
  6. Step 6: Final answer
    x = 35,378.03

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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.