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Finding the Fourth Proportional to 56,383.70, 77,774.10 and 36,266.72

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Solution

The fourth proportional to 56,383.70, 77,774.10 and 36,266.72 is: 50,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383.70 : 77,774.10 = 36,266.72 : x
  2. Step 2: Convert to fraction form
    56,383.70/77,774.10 = 36,266.72/x
  3. Step 3: Cross multiply
    56,383.70x = 77,774.10 × 36,266.72
  4. Step 4: Simplify right side
    56,383.70x = 2,820,611,507.95
  5. Step 5: Solve for x
    x = 2,820,611,507.95/56,383.70
  6. Step 6: Final answer
    x = 50,025.30

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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.