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Finding the Fourth Proportional to 50,412.40, 75,629.40 and 15,355.60

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Solution

The fourth proportional to 50,412.40, 75,629.40 and 15,355.60 is: 23,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,412.40 : 75,629.40 = 15,355.60 : x
  2. Step 2: Convert to fraction form
    50,412.40/75,629.40 = 15,355.60/x
  3. Step 3: Cross multiply
    50,412.40x = 75,629.40 × 15,355.60
  4. Step 4: Simplify right side
    50,412.40x = 1,161,334,814.64
  5. Step 5: Solve for x
    x = 1,161,334,814.64/50,412.40
  6. Step 6: Final answer
    x = 23,036.69

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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.