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Finding the Fourth Proportional to 44,340.65, 66,520.48 and 12,750.44

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Solution

The fourth proportional to 44,340.65, 66,520.48 and 12,750.44 is: 19,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,340.65 : 66,520.48 = 12,750.44 : x
  2. Step 2: Convert to fraction form
    44,340.65/66,520.48 = 12,750.44/x
  3. Step 3: Cross multiply
    44,340.65x = 66,520.48 × 12,750.44
  4. Step 4: Simplify right side
    44,340.65x = 848,165,389.01
  5. Step 5: Solve for x
    x = 848,165,389.01/44,340.65
  6. Step 6: Final answer
    x = 19,128.39

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1.5x scale

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.