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Finding the Fourth Proportional to 44,483.16, 66,721.86 and 16,780.44

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Solution

The fourth proportional to 44,483.16, 66,721.86 and 16,780.44 is: 25,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,483.16 : 66,721.86 = 16,780.44 : x
  2. Step 2: Convert to fraction form
    44,483.16/66,721.86 = 16,780.44/x
  3. Step 3: Cross multiply
    44,483.16x = 66,721.86 × 16,780.44
  4. Step 4: Simplify right side
    44,483.16x = 1,119,622,168.42
  5. Step 5: Solve for x
    x = 1,119,622,168.42/44,483.16
  6. Step 6: Final answer
    x = 25,169.57

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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.