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Finding the Fourth Proportional to 58,664.63, 87,242.22 and 56,796.28

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Solution

The fourth proportional to 58,664.63, 87,242.22 and 56,796.28 is: 84,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,664.63 : 87,242.22 = 56,796.28 : x
  2. Step 2: Convert to fraction form
    58,664.63/87,242.22 = 56,796.28/x
  3. Step 3: Cross multiply
    58,664.63x = 87,242.22 × 56,796.28
  4. Step 4: Simplify right side
    58,664.63x = 4,955,033,336.84
  5. Step 5: Solve for x
    x = 4,955,033,336.84/58,664.63
  6. Step 6: Final answer
    x = 84,463.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.