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Finding the Fourth Proportional to 9,950.81, 14,927.15 and 2,930.82

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Solution

The fourth proportional to 9,950.81, 14,927.15 and 2,930.82 is: 4,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.81 : 14,927.15 = 2,930.82 : x
  2. Step 2: Convert to fraction form
    9,950.81/14,927.15 = 2,930.82/x
  3. Step 3: Cross multiply
    9,950.81x = 14,927.15 × 2,930.82
  4. Step 4: Simplify right side
    9,950.81x = 43,748,775.11
  5. Step 5: Solve for x
    x = 43,748,775.11/9,950.81
  6. Step 6: Final answer
    x = 4,396.51

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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.