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Finding the Fourth Proportional to 36,030.60, 54,021.60 and 19,166.40

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Solution

The fourth proportional to 36,030.60, 54,021.60 and 19,166.40 is: 28,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.60 : 54,021.60 = 19,166.40 : x
  2. Step 2: Convert to fraction form
    36,030.60/54,021.60 = 19,166.40/x
  3. Step 3: Cross multiply
    36,030.60x = 54,021.60 × 19,166.40
  4. Step 4: Simplify right side
    36,030.60x = 1,035,399,594.24
  5. Step 5: Solve for x
    x = 1,035,399,594.24/36,030.60
  6. Step 6: Final answer
    x = 28,736.67

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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.