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Finding the Fourth Proportional to 61,368.86, 92,053.38 and 18,674.66

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Solution

The fourth proportional to 61,368.86, 92,053.38 and 18,674.66 is: 28,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,368.86 : 92,053.38 = 18,674.66 : x
  2. Step 2: Convert to fraction form
    61,368.86/92,053.38 = 18,674.66/x
  3. Step 3: Cross multiply
    61,368.86x = 92,053.38 × 18,674.66
  4. Step 4: Simplify right side
    61,368.86x = 1,719,065,573.35
  5. Step 5: Solve for x
    x = 1,719,065,573.35/61,368.86
  6. Step 6: Final answer
    x = 28,012.02

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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.