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Finding the Fourth Proportional to 52,525.44, 72,483.52 and 28,652.48

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Solution

The fourth proportional to 52,525.44, 72,483.52 and 28,652.48 is: 39,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,525.44 : 72,483.52 = 28,652.48 : x
  2. Step 2: Convert to fraction form
    52,525.44/72,483.52 = 28,652.48/x
  3. Step 3: Cross multiply
    52,525.44x = 72,483.52 × 28,652.48
  4. Step 4: Simplify right side
    52,525.44x = 2,076,832,607.13
  5. Step 5: Solve for x
    x = 2,076,832,607.13/52,525.44
  6. Step 6: Final answer
    x = 39,539.56

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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.