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Finding the Fourth Proportional to 70,367.30, 105,551.16 and 17,059.06

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Solution

The fourth proportional to 70,367.30, 105,551.16 and 17,059.06 is: 25,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.30 : 105,551.16 = 17,059.06 : x
  2. Step 2: Convert to fraction form
    70,367.30/105,551.16 = 17,059.06/x
  3. Step 3: Cross multiply
    70,367.30x = 105,551.16 × 17,059.06
  4. Step 4: Simplify right side
    70,367.30x = 1,800,603,571.51
  5. Step 5: Solve for x
    x = 1,800,603,571.51/70,367.30
  6. Step 6: Final answer
    x = 25,588.64

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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.