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Finding the Fourth Proportional to 44,153.70, 66,230.55 and 19,205.70

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Solution

The fourth proportional to 44,153.70, 66,230.55 and 19,205.70 is: 28,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,153.70 : 66,230.55 = 19,205.70 : x
  2. Step 2: Convert to fraction form
    44,153.70/66,230.55 = 19,205.70/x
  3. Step 3: Cross multiply
    44,153.70x = 66,230.55 × 19,205.70
  4. Step 4: Simplify right side
    44,153.70x = 1,272,004,074.14
  5. Step 5: Solve for x
    x = 1,272,004,074.14/44,153.70
  6. Step 6: Final answer
    x = 28,808.55

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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.