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Finding the Fourth Proportional to 70,604.36, 105,841.63 and 30,598.25

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Solution

The fourth proportional to 70,604.36, 105,841.63 and 30,598.25 is: 45,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,604.36 : 105,841.63 = 30,598.25 : x
  2. Step 2: Convert to fraction form
    70,604.36/105,841.63 = 30,598.25/x
  3. Step 3: Cross multiply
    70,604.36x = 105,841.63 × 30,598.25
  4. Step 4: Simplify right side
    70,604.36x = 3,238,568,502.16
  5. Step 5: Solve for x
    x = 3,238,568,502.16/70,604.36
  6. Step 6: Final answer
    x = 45,869.25

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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.