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Finding the Fourth Proportional to 56,999, 85,498.53 and 15,446

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Solution

The fourth proportional to 56,999, 85,498.53 and 15,446 is: 23,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999 : 85,498.53 = 15,446 : x
  2. Step 2: Convert to fraction form
    56,999/85,498.53 = 15,446/x
  3. Step 3: Cross multiply
    56,999x = 85,498.53 × 15,446
  4. Step 4: Simplify right side
    56,999x = 1,320,610,294.38
  5. Step 5: Solve for x
    x = 1,320,610,294.38/56,999
  6. Step 6: Final answer
    x = 23,169.01

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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.