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Finding the Fourth Proportional to 6,472.15, 8,934.58 and 4,879.45

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Solution

The fourth proportional to 6,472.15, 8,934.58 and 4,879.45 is: 6,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.15 : 8,934.58 = 4,879.45 : x
  2. Step 2: Convert to fraction form
    6,472.15/8,934.58 = 4,879.45/x
  3. Step 3: Cross multiply
    6,472.15x = 8,934.58 × 4,879.45
  4. Step 4: Simplify right side
    6,472.15x = 43,595,779.51
  5. Step 5: Solve for x
    x = 43,595,779.51/6,472.15
  6. Step 6: Final answer
    x = 6,735.90

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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.