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Finding the Fourth Proportional to 70,593.12, 105,886.44 and 23,846.40

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Solution

The fourth proportional to 70,593.12, 105,886.44 and 23,846.40 is: 35,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.12 : 105,886.44 = 23,846.40 : x
  2. Step 2: Convert to fraction form
    70,593.12/105,886.44 = 23,846.40/x
  3. Step 3: Cross multiply
    70,593.12x = 105,886.44 × 23,846.40
  4. Step 4: Simplify right side
    70,593.12x = 2,525,010,402.82
  5. Step 5: Solve for x
    x = 2,525,010,402.82/70,593.12
  6. Step 6: Final answer
    x = 35,768.51

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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.