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Finding the Fourth Proportional to 4,779.96, 7,175.97 and 4,558.38

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Solution

The fourth proportional to 4,779.96, 7,175.97 and 4,558.38 is: 6,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.96 : 7,175.97 = 4,558.38 : x
  2. Step 2: Convert to fraction form
    4,779.96/7,175.97 = 4,558.38/x
  3. Step 3: Cross multiply
    4,779.96x = 7,175.97 × 4,558.38
  4. Step 4: Simplify right side
    4,779.96x = 32,710,798.13
  5. Step 5: Solve for x
    x = 32,710,798.13/4,779.96
  6. Step 6: Final answer
    x = 6,843.32

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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.