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Finding the Fourth Proportional to 7,106.68, 9,801.93 and 5,217.67

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Solution

The fourth proportional to 7,106.68, 9,801.93 and 5,217.67 is: 7,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.68 : 9,801.93 = 5,217.67 : x
  2. Step 2: Convert to fraction form
    7,106.68/9,801.93 = 5,217.67/x
  3. Step 3: Cross multiply
    7,106.68x = 9,801.93 × 5,217.67
  4. Step 4: Simplify right side
    7,106.68x = 51,143,236.10
  5. Step 5: Solve for x
    x = 51,143,236.10/7,106.68
  6. Step 6: Final answer
    x = 7,196.50

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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.