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Finding the Fourth Proportional to 7,273.17, 10,913.67 and 2,890.67

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Solution

The fourth proportional to 7,273.17, 10,913.67 and 2,890.67 is: 4,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.17 : 10,913.67 = 2,890.67 : x
  2. Step 2: Convert to fraction form
    7,273.17/10,913.67 = 2,890.67/x
  3. Step 3: Cross multiply
    7,273.17x = 10,913.67 × 2,890.67
  4. Step 4: Simplify right side
    7,273.17x = 31,547,763.89
  5. Step 5: Solve for x
    x = 31,547,763.89/7,273.17
  6. Step 6: Final answer
    x = 4,337.55

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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.