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Finding the Fourth Proportional to 7,103.58, 9,801.99 and 4,308.54

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Solution

The fourth proportional to 7,103.58, 9,801.99 and 4,308.54 is: 5,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.58 : 9,801.99 = 4,308.54 : x
  2. Step 2: Convert to fraction form
    7,103.58/9,801.99 = 4,308.54/x
  3. Step 3: Cross multiply
    7,103.58x = 9,801.99 × 4,308.54
  4. Step 4: Simplify right side
    7,103.58x = 42,232,265.99
  5. Step 5: Solve for x
    x = 42,232,265.99/7,103.58
  6. Step 6: Final answer
    x = 5,945.21

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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.