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Finding the Fourth Proportional to 56,385.54, 77,774.53 and 36,267.88

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Solution

The fourth proportional to 56,385.54, 77,774.53 and 36,267.88 is: 50,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,385.54 : 77,774.53 = 36,267.88 : x
  2. Step 2: Convert to fraction form
    56,385.54/77,774.53 = 36,267.88/x
  3. Step 3: Cross multiply
    56,385.54x = 77,774.53 × 36,267.88
  4. Step 4: Simplify right side
    56,385.54x = 2,820,717,321.10
  5. Step 5: Solve for x
    x = 2,820,717,321.10/56,385.54
  6. Step 6: Final answer
    x = 50,025.54

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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.