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Finding the Fourth Proportional to 56,833.55, 85,302.90 and 28,773.32

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Solution

The fourth proportional to 56,833.55, 85,302.90 and 28,773.32 is: 43,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,833.55 : 85,302.90 = 28,773.32 : x
  2. Step 2: Convert to fraction form
    56,833.55/85,302.90 = 28,773.32/x
  3. Step 3: Cross multiply
    56,833.55x = 85,302.90 × 28,773.32
  4. Step 4: Simplify right side
    56,833.55x = 2,454,447,638.63
  5. Step 5: Solve for x
    x = 2,454,447,638.63/56,833.55
  6. Step 6: Final answer
    x = 43,186.60

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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.