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Finding the Fourth Proportional to 7,195.83, 9,929.97 and 4,009.29

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Solution

The fourth proportional to 7,195.83, 9,929.97 and 4,009.29 is: 5,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.83 : 9,929.97 = 4,009.29 : x
  2. Step 2: Convert to fraction form
    7,195.83/9,929.97 = 4,009.29/x
  3. Step 3: Cross multiply
    7,195.83x = 9,929.97 × 4,009.29
  4. Step 4: Simplify right side
    7,195.83x = 39,812,129.42
  5. Step 5: Solve for x
    x = 39,812,129.42/7,195.83
  6. Step 6: Final answer
    x = 5,532.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.