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Finding the Fourth Proportional to 70,985.96, 106,544.55 and 35,950.22

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Solution

The fourth proportional to 70,985.96, 106,544.55 and 35,950.22 is: 53,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985.96 : 106,544.55 = 35,950.22 : x
  2. Step 2: Convert to fraction form
    70,985.96/106,544.55 = 35,950.22/x
  3. Step 3: Cross multiply
    70,985.96x = 106,544.55 × 35,950.22
  4. Step 4: Simplify right side
    70,985.96x = 3,830,300,012.30
  5. Step 5: Solve for x
    x = 3,830,300,012.30/70,985.96
  6. Step 6: Final answer
    x = 53,958.56

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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.