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Finding the Fourth Proportional to 50,419.76, 75,626.88 and 15,356.48

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Solution

The fourth proportional to 50,419.76, 75,626.88 and 15,356.48 is: 23,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,419.76 : 75,626.88 = 15,356.48 : x
  2. Step 2: Convert to fraction form
    50,419.76/75,626.88 = 15,356.48/x
  3. Step 3: Cross multiply
    50,419.76x = 75,626.88 × 15,356.48
  4. Step 4: Simplify right side
    50,419.76x = 1,161,362,670.18
  5. Step 5: Solve for x
    x = 1,161,362,670.18/50,419.76
  6. Step 6: Final answer
    x = 23,033.88

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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.