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Finding the Fourth Proportional to 10,159.59, 15,241.50 and 3,590.49

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Solution

The fourth proportional to 10,159.59, 15,241.50 and 3,590.49 is: 5,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.59 : 15,241.50 = 3,590.49 : x
  2. Step 2: Convert to fraction form
    10,159.59/15,241.50 = 3,590.49/x
  3. Step 3: Cross multiply
    10,159.59x = 15,241.50 × 3,590.49
  4. Step 4: Simplify right side
    10,159.59x = 54,724,453.34
  5. Step 5: Solve for x
    x = 54,724,453.34/10,159.59
  6. Step 6: Final answer
    x = 5,386.48

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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.