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Finding the Fourth Proportional to 70,352.36, 105,503.63 and 25,967.19

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Solution

The fourth proportional to 70,352.36, 105,503.63 and 25,967.19 is: 38,941.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,352.36 : 105,503.63 = 25,967.19 : x
  2. Step 2: Convert to fraction form
    70,352.36/105,503.63 = 25,967.19/x
  3. Step 3: Cross multiply
    70,352.36x = 105,503.63 × 25,967.19
  4. Step 4: Simplify right side
    70,352.36x = 2,739,632,676.06
  5. Step 5: Solve for x
    x = 2,739,632,676.06/70,352.36
  6. Step 6: Final answer
    x = 38,941.59

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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.