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Finding the Fourth Proportional to 7,954.52, 11,931.65 and 1,950.65

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Solution

The fourth proportional to 7,954.52, 11,931.65 and 1,950.65 is: 2,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.52 : 11,931.65 = 1,950.65 : x
  2. Step 2: Convert to fraction form
    7,954.52/11,931.65 = 1,950.65/x
  3. Step 3: Cross multiply
    7,954.52x = 11,931.65 × 1,950.65
  4. Step 4: Simplify right side
    7,954.52x = 23,274,473.07
  5. Step 5: Solve for x
    x = 23,274,473.07/7,954.52
  6. Step 6: Final answer
    x = 2,925.94

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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.