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Finding the Fourth Proportional to 56,383.52, 77,845.12 and 35,193.92

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Solution

The fourth proportional to 56,383.52, 77,845.12 and 35,193.92 is: 48,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383.52 : 77,845.12 = 35,193.92 : x
  2. Step 2: Convert to fraction form
    56,383.52/77,845.12 = 35,193.92/x
  3. Step 3: Cross multiply
    56,383.52x = 77,845.12 × 35,193.92
  4. Step 4: Simplify right side
    56,383.52x = 2,739,674,448.46
  5. Step 5: Solve for x
    x = 2,739,674,448.46/56,383.52
  6. Step 6: Final answer
    x = 48,589.99

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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.