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Finding the Fourth Proportional to 61,354.37, 92,031.44 and 16,980.99

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Solution

The fourth proportional to 61,354.37, 92,031.44 and 16,980.99 is: 25,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,354.37 : 92,031.44 = 16,980.99 : x
  2. Step 2: Convert to fraction form
    61,354.37/92,031.44 = 16,980.99/x
  3. Step 3: Cross multiply
    61,354.37x = 92,031.44 × 16,980.99
  4. Step 4: Simplify right side
    61,354.37x = 1,562,784,877.42
  5. Step 5: Solve for x
    x = 1,562,784,877.42/61,354.37
  6. Step 6: Final answer
    x = 25,471.45

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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.