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Finding the Fourth Proportional to 6,543.79, 9,030.53 and 3,559.68

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Solution

The fourth proportional to 6,543.79, 9,030.53 and 3,559.68 is: 4,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.79 : 9,030.53 = 3,559.68 : x
  2. Step 2: Convert to fraction form
    6,543.79/9,030.53 = 3,559.68/x
  3. Step 3: Cross multiply
    6,543.79x = 9,030.53 × 3,559.68
  4. Step 4: Simplify right side
    6,543.79x = 32,145,797.03
  5. Step 5: Solve for x
    x = 32,145,797.03/6,543.79
  6. Step 6: Final answer
    x = 4,912.41

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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.