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Finding the Fourth Proportional to 50,883.60, 70,219.32 and 28,527.60

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Solution

The fourth proportional to 50,883.60, 70,219.32 and 28,527.60 is: 39,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,883.60 : 70,219.32 = 28,527.60 : x
  2. Step 2: Convert to fraction form
    50,883.60/70,219.32 = 28,527.60/x
  3. Step 3: Cross multiply
    50,883.60x = 70,219.32 × 28,527.60
  4. Step 4: Simplify right side
    50,883.60x = 2,003,188,673.23
  5. Step 5: Solve for x
    x = 2,003,188,673.23/50,883.60
  6. Step 6: Final answer
    x = 39,368.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.