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Finding the Fourth Proportional to 56,412.99, 84,597.62 and 30,103.38

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Solution

The fourth proportional to 56,412.99, 84,597.62 and 30,103.38 is: 45,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.99 : 84,597.62 = 30,103.38 : x
  2. Step 2: Convert to fraction form
    56,412.99/84,597.62 = 30,103.38/x
  3. Step 3: Cross multiply
    56,412.99x = 84,597.62 × 30,103.38
  4. Step 4: Simplify right side
    56,412.99x = 2,546,674,151.44
  5. Step 5: Solve for x
    x = 2,546,674,151.44/56,412.99
  6. Step 6: Final answer
    x = 45,143.40

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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.