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Finding the Fourth Proportional to 43,525.80, 65,115.90 and 37,746.60

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Solution

The fourth proportional to 43,525.80, 65,115.90 and 37,746.60 is: 56,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,525.80 : 65,115.90 = 37,746.60 : x
  2. Step 2: Convert to fraction form
    43,525.80/65,115.90 = 37,746.60/x
  3. Step 3: Cross multiply
    43,525.80x = 65,115.90 × 37,746.60
  4. Step 4: Simplify right side
    43,525.80x = 2,457,903,830.94
  5. Step 5: Solve for x
    x = 2,457,903,830.94/43,525.80
  6. Step 6: Final answer
    x = 56,470.04

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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.