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Finding the Fourth Proportional to 8,536.55, 11,779.70 and 4,759.42

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Solution

The fourth proportional to 8,536.55, 11,779.70 and 4,759.42 is: 6,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.55 : 11,779.70 = 4,759.42 : x
  2. Step 2: Convert to fraction form
    8,536.55/11,779.70 = 4,759.42/x
  3. Step 3: Cross multiply
    8,536.55x = 11,779.70 × 4,759.42
  4. Step 4: Simplify right side
    8,536.55x = 56,064,539.77
  5. Step 5: Solve for x
    x = 56,064,539.77/8,536.55
  6. Step 6: Final answer
    x = 6,567.59

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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.