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Finding the Fourth Proportional to 56,463.88, 77,885.94 and 37,343.56

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Solution

The fourth proportional to 56,463.88, 77,885.94 and 37,343.56 is: 51,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.88 : 77,885.94 = 37,343.56 : x
  2. Step 2: Convert to fraction form
    56,463.88/77,885.94 = 37,343.56/x
  3. Step 3: Cross multiply
    56,463.88x = 77,885.94 × 37,343.56
  4. Step 4: Simplify right side
    56,463.88x = 2,908,538,273.55
  5. Step 5: Solve for x
    x = 2,908,538,273.55/56,463.88
  6. Step 6: Final answer
    x = 51,511.48

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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.