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Finding the Fourth Proportional to 56,992.95, 85,494.29 and 14,878.62

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Solution

The fourth proportional to 56,992.95, 85,494.29 and 14,878.62 is: 22,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,992.95 : 85,494.29 = 14,878.62 : x
  2. Step 2: Convert to fraction form
    56,992.95/85,494.29 = 14,878.62/x
  3. Step 3: Cross multiply
    56,992.95x = 85,494.29 × 14,878.62
  4. Step 4: Simplify right side
    56,992.95x = 1,272,036,978.69
  5. Step 5: Solve for x
    x = 1,272,036,978.69/56,992.95
  6. Step 6: Final answer
    x = 22,319.20

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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.