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Finding the Fourth Proportional to 6,531.03, 9,779.16 and 4,455.14

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Solution

The fourth proportional to 6,531.03, 9,779.16 and 4,455.14 is: 6,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.03 : 9,779.16 = 4,455.14 : x
  2. Step 2: Convert to fraction form
    6,531.03/9,779.16 = 4,455.14/x
  3. Step 3: Cross multiply
    6,531.03x = 9,779.16 × 4,455.14
  4. Step 4: Simplify right side
    6,531.03x = 43,567,494.69
  5. Step 5: Solve for x
    x = 43,567,494.69/6,531.03
  6. Step 6: Final answer
    x = 6,670.85

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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.