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Finding the Fourth Proportional to 56,123.82, 77,443.11 and 33,461.01

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Solution

The fourth proportional to 56,123.82, 77,443.11 and 33,461.01 is: 46,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,123.82 : 77,443.11 = 33,461.01 : x
  2. Step 2: Convert to fraction form
    56,123.82/77,443.11 = 33,461.01/x
  3. Step 3: Cross multiply
    56,123.82x = 77,443.11 × 33,461.01
  4. Step 4: Simplify right side
    56,123.82x = 2,591,324,678.14
  5. Step 5: Solve for x
    x = 2,591,324,678.14/56,123.82
  6. Step 6: Final answer
    x = 46,171.57

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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.