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Finding the Fourth Proportional to 20,055.70, 30,087.70 and 6,015.16

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Solution

The fourth proportional to 20,055.70, 30,087.70 and 6,015.16 is: 9,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.70 : 30,087.70 = 6,015.16 : x
  2. Step 2: Convert to fraction form
    20,055.70/30,087.70 = 6,015.16/x
  3. Step 3: Cross multiply
    20,055.70x = 30,087.70 × 6,015.16
  4. Step 4: Simplify right side
    20,055.70x = 180,982,329.53
  5. Step 5: Solve for x
    x = 180,982,329.53/20,055.70
  6. Step 6: Final answer
    x = 9,023.98

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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.