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Finding the Fourth Proportional to 7,010.98, 9,670.16 and 6,779.29

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Solution

The fourth proportional to 7,010.98, 9,670.16 and 6,779.29 is: 9,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.98 : 9,670.16 = 6,779.29 : x
  2. Step 2: Convert to fraction form
    7,010.98/9,670.16 = 6,779.29/x
  3. Step 3: Cross multiply
    7,010.98x = 9,670.16 × 6,779.29
  4. Step 4: Simplify right side
    7,010.98x = 65,556,818.99
  5. Step 5: Solve for x
    x = 65,556,818.99/7,010.98
  6. Step 6: Final answer
    x = 9,350.59

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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.