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Finding the Fourth Proportional to 44,362.80, 66,544.20 and 42,613.20

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Solution

The fourth proportional to 44,362.80, 66,544.20 and 42,613.20 is: 63,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,362.80 : 66,544.20 = 42,613.20 : x
  2. Step 2: Convert to fraction form
    44,362.80/66,544.20 = 42,613.20/x
  3. Step 3: Cross multiply
    44,362.80x = 66,544.20 × 42,613.20
  4. Step 4: Simplify right side
    44,362.80x = 2,835,661,303.44
  5. Step 5: Solve for x
    x = 2,835,661,303.44/44,362.80
  6. Step 6: Final answer
    x = 63,919.80

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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.