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Finding the Fourth Proportional to 70,969.55, 97,933.48 and 40,733.57

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Solution

The fourth proportional to 70,969.55, 97,933.48 and 40,733.57 is: 56,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,969.55 : 97,933.48 = 40,733.57 : x
  2. Step 2: Convert to fraction form
    70,969.55/97,933.48 = 40,733.57/x
  3. Step 3: Cross multiply
    70,969.55x = 97,933.48 × 40,733.57
  4. Step 4: Simplify right side
    70,969.55x = 3,989,180,405.92
  5. Step 5: Solve for x
    x = 3,989,180,405.92/70,969.55
  6. Step 6: Final answer
    x = 56,209.75

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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.