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Finding the Fourth Proportional to 6,763.59, 9,316.40 and 4,770.65

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Solution

The fourth proportional to 6,763.59, 9,316.40 and 4,770.65 is: 6,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.59 : 9,316.40 = 4,770.65 : x
  2. Step 2: Convert to fraction form
    6,763.59/9,316.40 = 4,770.65/x
  3. Step 3: Cross multiply
    6,763.59x = 9,316.40 × 4,770.65
  4. Step 4: Simplify right side
    6,763.59x = 44,445,213.22
  5. Step 5: Solve for x
    x = 44,445,213.22/6,763.59
  6. Step 6: Final answer
    x = 6,571.25

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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.