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Finding the Fourth Proportional to 33,888.60, 50,764.84 and 19,075.32

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Solution

The fourth proportional to 33,888.60, 50,764.84 and 19,075.32 is: 28,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,888.60 : 50,764.84 = 19,075.32 : x
  2. Step 2: Convert to fraction form
    33,888.60/50,764.84 = 19,075.32/x
  3. Step 3: Cross multiply
    33,888.60x = 50,764.84 × 19,075.32
  4. Step 4: Simplify right side
    33,888.60x = 968,355,567.75
  5. Step 5: Solve for x
    x = 968,355,567.75/33,888.60
  6. Step 6: Final answer
    x = 28,574.67

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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.