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Finding the Fourth Proportional to 56,827.84, 78,429.54 and 32,636.39

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Solution

The fourth proportional to 56,827.84, 78,429.54 and 32,636.39 is: 45,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,827.84 : 78,429.54 = 32,636.39 : x
  2. Step 2: Convert to fraction form
    56,827.84/78,429.54 = 32,636.39/x
  3. Step 3: Cross multiply
    56,827.84x = 78,429.54 × 32,636.39
  4. Step 4: Simplify right side
    56,827.84x = 2,559,657,251.03
  5. Step 5: Solve for x
    x = 2,559,657,251.03/56,827.84
  6. Step 6: Final answer
    x = 45,042.31

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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.