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Finding the Fourth Proportional to 70,525.68, 97,322.76 and 40,309.44

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Solution

The fourth proportional to 70,525.68, 97,322.76 and 40,309.44 is: 55,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,525.68 : 97,322.76 = 40,309.44 : x
  2. Step 2: Convert to fraction form
    70,525.68/97,322.76 = 40,309.44/x
  3. Step 3: Cross multiply
    70,525.68x = 97,322.76 × 40,309.44
  4. Step 4: Simplify right side
    70,525.68x = 3,923,025,954.85
  5. Step 5: Solve for x
    x = 3,923,025,954.85/70,525.68
  6. Step 6: Final answer
    x = 55,625.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.