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Finding the Fourth Proportional to 10,571.58, 15,859.71 and 3,552.48

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Solution

The fourth proportional to 10,571.58, 15,859.71 and 3,552.48 is: 5,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.58 : 15,859.71 = 3,552.48 : x
  2. Step 2: Convert to fraction form
    10,571.58/15,859.71 = 3,552.48/x
  3. Step 3: Cross multiply
    10,571.58x = 15,859.71 × 3,552.48
  4. Step 4: Simplify right side
    10,571.58x = 56,341,302.58
  5. Step 5: Solve for x
    x = 56,341,302.58/10,571.58
  6. Step 6: Final answer
    x = 5,329.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.