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Finding the Fourth Proportional to 7,674.58, 10,590.69 and 4,317.58

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Solution

The fourth proportional to 7,674.58, 10,590.69 and 4,317.58 is: 5,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.58 : 10,590.69 = 4,317.58 : x
  2. Step 2: Convert to fraction form
    7,674.58/10,590.69 = 4,317.58/x
  3. Step 3: Cross multiply
    7,674.58x = 10,590.69 × 4,317.58
  4. Step 4: Simplify right side
    7,674.58x = 45,726,151.33
  5. Step 5: Solve for x
    x = 45,726,151.33/7,674.58
  6. Step 6: Final answer
    x = 5,958.13

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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.