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Finding the Fourth Proportional to 7,145.01, 10,717.52 and 1,950.89

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Solution

The fourth proportional to 7,145.01, 10,717.52 and 1,950.89 is: 2,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.01 : 10,717.52 = 1,950.89 : x
  2. Step 2: Convert to fraction form
    7,145.01/10,717.52 = 1,950.89/x
  3. Step 3: Cross multiply
    7,145.01x = 10,717.52 × 1,950.89
  4. Step 4: Simplify right side
    7,145.01x = 20,908,639.25
  5. Step 5: Solve for x
    x = 20,908,639.25/7,145.01
  6. Step 6: Final answer
    x = 2,926.33

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Double scale
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Similar ratio
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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.