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Finding the Fourth Proportional to 70,689.94, 97,552.23 and 38,859.04

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Solution

The fourth proportional to 70,689.94, 97,552.23 and 38,859.04 is: 53,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,689.94 : 97,552.23 = 38,859.04 : x
  2. Step 2: Convert to fraction form
    70,689.94/97,552.23 = 38,859.04/x
  3. Step 3: Cross multiply
    70,689.94x = 97,552.23 × 38,859.04
  4. Step 4: Simplify right side
    70,689.94x = 3,790,786,007.66
  5. Step 5: Solve for x
    x = 3,790,786,007.66/70,689.94
  6. Step 6: Final answer
    x = 53,625.54

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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.