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Finding the Fourth Proportional to 6,543.93, 9,030.60 and 3,559.71

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Solution

The fourth proportional to 6,543.93, 9,030.60 and 3,559.71 is: 4,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.93 : 9,030.60 = 3,559.71 : x
  2. Step 2: Convert to fraction form
    6,543.93/9,030.60 = 3,559.71/x
  3. Step 3: Cross multiply
    6,543.93x = 9,030.60 × 3,559.71
  4. Step 4: Simplify right side
    6,543.93x = 32,146,317.13
  5. Step 5: Solve for x
    x = 32,146,317.13/6,543.93
  6. Step 6: Final answer
    x = 4,912.39

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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.