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Finding the Fourth Proportional to 70,025.66, 96,634.97 and 39,810.99

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Solution

The fourth proportional to 70,025.66, 96,634.97 and 39,810.99 is: 54,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,025.66 : 96,634.97 = 39,810.99 : x
  2. Step 2: Convert to fraction form
    70,025.66/96,634.97 = 39,810.99/x
  3. Step 3: Cross multiply
    70,025.66x = 96,634.97 × 39,810.99
  4. Step 4: Simplify right side
    70,025.66x = 3,847,133,625.27
  5. Step 5: Solve for x
    x = 3,847,133,625.27/70,025.66
  6. Step 6: Final answer
    x = 54,938.91

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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.