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Finding the Fourth Proportional to 56,015.82, 77,276.52 and 36,890.49

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Solution

The fourth proportional to 56,015.82, 77,276.52 and 36,890.49 is: 50,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.82 : 77,276.52 = 36,890.49 : x
  2. Step 2: Convert to fraction form
    56,015.82/77,276.52 = 36,890.49/x
  3. Step 3: Cross multiply
    56,015.82x = 77,276.52 × 36,890.49
  4. Step 4: Simplify right side
    56,015.82x = 2,850,768,688.29
  5. Step 5: Solve for x
    x = 2,850,768,688.29/56,015.82
  6. Step 6: Final answer
    x = 50,892.21

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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.