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Finding the Fourth Proportional to 5,371.99, 8,059.80 and 4,854.40

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Solution

The fourth proportional to 5,371.99, 8,059.80 and 4,854.40 is: 7,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.99 : 8,059.80 = 4,854.40 : x
  2. Step 2: Convert to fraction form
    5,371.99/8,059.80 = 4,854.40/x
  3. Step 3: Cross multiply
    5,371.99x = 8,059.80 × 4,854.40
  4. Step 4: Simplify right side
    5,371.99x = 39,125,493.12
  5. Step 5: Solve for x
    x = 39,125,493.12/5,371.99
  6. Step 6: Final answer
    x = 7,283.24

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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.