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Finding the Fourth Proportional to 56,124.46, 77,461.78 and 33,464.90

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Solution

The fourth proportional to 56,124.46, 77,461.78 and 33,464.90 is: 46,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.46 : 77,461.78 = 33,464.90 : x
  2. Step 2: Convert to fraction form
    56,124.46/77,461.78 = 33,464.90/x
  3. Step 3: Cross multiply
    56,124.46x = 77,461.78 × 33,464.90
  4. Step 4: Simplify right side
    56,124.46x = 2,592,250,721.52
  5. Step 5: Solve for x
    x = 2,592,250,721.52/56,124.46
  6. Step 6: Final answer
    x = 46,187.54

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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.