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Finding the Fourth Proportional to 56,580.60, 84,814.90 and 25,007.80

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Solution

The fourth proportional to 56,580.60, 84,814.90 and 25,007.80 is: 37,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,580.60 : 84,814.90 = 25,007.80 : x
  2. Step 2: Convert to fraction form
    56,580.60/84,814.90 = 25,007.80/x
  3. Step 3: Cross multiply
    56,580.60x = 84,814.90 × 25,007.80
  4. Step 4: Simplify right side
    56,580.60x = 2,121,034,056.22
  5. Step 5: Solve for x
    x = 2,121,034,056.22/56,580.60
  6. Step 6: Final answer
    x = 37,486.95

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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.