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Finding the Fourth Proportional to 67,015.26, 100,544.76 and 33,719.40

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Solution

The fourth proportional to 67,015.26, 100,544.76 and 33,719.40 is: 50,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.26 : 100,544.76 = 33,719.40 : x
  2. Step 2: Convert to fraction form
    67,015.26/100,544.76 = 33,719.40/x
  3. Step 3: Cross multiply
    67,015.26x = 100,544.76 × 33,719.40
  4. Step 4: Simplify right side
    67,015.26x = 3,390,308,980.34
  5. Step 5: Solve for x
    x = 3,390,308,980.34/67,015.26
  6. Step 6: Final answer
    x = 50,590.10

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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.