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Finding the Fourth Proportional to 57,897.54, 86,359.53 and 52,582.32

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Solution

The fourth proportional to 57,897.54, 86,359.53 and 52,582.32 is: 78,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,897.54 : 86,359.53 = 52,582.32 : x
  2. Step 2: Convert to fraction form
    57,897.54/86,359.53 = 52,582.32/x
  3. Step 3: Cross multiply
    57,897.54x = 86,359.53 × 52,582.32
  4. Step 4: Simplify right side
    57,897.54x = 4,540,984,441.51
  5. Step 5: Solve for x
    x = 4,540,984,441.51/57,897.54
  6. Step 6: Final answer
    x = 78,431.39

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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.