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Finding the Fourth Proportional to 56,779.52, 84,598.72 and 53,600

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Solution

The fourth proportional to 56,779.52, 84,598.72 and 53,600 is: 79,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,779.52 : 84,598.72 = 53,600 : x
  2. Step 2: Convert to fraction form
    56,779.52/84,598.72 = 53,600/x
  3. Step 3: Cross multiply
    56,779.52x = 84,598.72 × 53,600
  4. Step 4: Simplify right side
    56,779.52x = 4,534,491,392
  5. Step 5: Solve for x
    x = 4,534,491,392/56,779.52
  6. Step 6: Final answer
    x = 79,861.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.