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Finding the Fourth Proportional to 1,950.41, 2,925.55 and 717.76

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Solution

The fourth proportional to 1,950.41, 2,925.55 and 717.76 is: 1,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.41 : 2,925.55 = 717.76 : x
  2. Step 2: Convert to fraction form
    1,950.41/2,925.55 = 717.76/x
  3. Step 3: Cross multiply
    1,950.41x = 2,925.55 × 717.76
  4. Step 4: Simplify right side
    1,950.41x = 2,099,847.32
  5. Step 5: Solve for x
    x = 2,099,847.32/1,950.41
  6. Step 6: Final answer
    x = 1,076.62

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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.