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Finding the Fourth Proportional to 5,303.59, 7,945.89 and 3,543.26

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Solution

The fourth proportional to 5,303.59, 7,945.89 and 3,543.26 is: 5,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.59 : 7,945.89 = 3,543.26 : x
  2. Step 2: Convert to fraction form
    5,303.59/7,945.89 = 3,543.26/x
  3. Step 3: Cross multiply
    5,303.59x = 7,945.89 × 3,543.26
  4. Step 4: Simplify right side
    5,303.59x = 28,154,374.07
  5. Step 5: Solve for x
    x = 28,154,374.07/5,303.59
  6. Step 6: Final answer
    x = 5,308.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.