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Finding the Fourth Proportional to 1,950.82, 2,925.60 and 976.66

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Solution

The fourth proportional to 1,950.82, 2,925.60 and 976.66 is: 1,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.82 : 2,925.60 = 976.66 : x
  2. Step 2: Convert to fraction form
    1,950.82/2,925.60 = 976.66/x
  3. Step 3: Cross multiply
    1,950.82x = 2,925.60 × 976.66
  4. Step 4: Simplify right side
    1,950.82x = 2,857,316.50
  5. Step 5: Solve for x
    x = 2,857,316.50/1,950.82
  6. Step 6: Final answer
    x = 1,464.67

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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.