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Finding the Fourth Proportional to 56,580.99, 84,860.55 and 53,771.10

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Solution

The fourth proportional to 56,580.99, 84,860.55 and 53,771.10 is: 80,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,580.99 : 84,860.55 = 53,771.10 : x
  2. Step 2: Convert to fraction form
    56,580.99/84,860.55 = 53,771.10/x
  3. Step 3: Cross multiply
    56,580.99x = 84,860.55 × 53,771.10
  4. Step 4: Simplify right side
    56,580.99x = 4,563,045,120.11
  5. Step 5: Solve for x
    x = 4,563,045,120.11/56,580.99
  6. Step 6: Final answer
    x = 80,646.26

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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.