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Finding the Fourth Proportional to 70,571.71, 97,396.70 and 40,359.84

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Solution

The fourth proportional to 70,571.71, 97,396.70 and 40,359.84 is: 55,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,571.71 : 97,396.70 = 40,359.84 : x
  2. Step 2: Convert to fraction form
    70,571.71/97,396.70 = 40,359.84/x
  3. Step 3: Cross multiply
    70,571.71x = 97,396.70 × 40,359.84
  4. Step 4: Simplify right side
    70,571.71x = 3,930,915,228.53
  5. Step 5: Solve for x
    x = 3,930,915,228.53/70,571.71
  6. Step 6: Final answer
    x = 55,701.01

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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.