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Finding the Fourth Proportional to 56,423.22, 77,845.74 and 33,454.86

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Solution

The fourth proportional to 56,423.22, 77,845.74 and 33,454.86 is: 46,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.22 : 77,845.74 = 33,454.86 : x
  2. Step 2: Convert to fraction form
    56,423.22/77,845.74 = 33,454.86/x
  3. Step 3: Cross multiply
    56,423.22x = 77,845.74 × 33,454.86
  4. Step 4: Simplify right side
    56,423.22x = 2,604,318,333.30
  5. Step 5: Solve for x
    x = 2,604,318,333.30/56,423.22
  6. Step 6: Final answer
    x = 46,156.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.