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Finding the Fourth Proportional to 43,582.80, 60,142.60 and 23,710.80

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Solution

The fourth proportional to 43,582.80, 60,142.60 and 23,710.80 is: 32,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,582.80 : 60,142.60 = 23,710.80 : x
  2. Step 2: Convert to fraction form
    43,582.80/60,142.60 = 23,710.80/x
  3. Step 3: Cross multiply
    43,582.80x = 60,142.60 × 23,710.80
  4. Step 4: Simplify right side
    43,582.80x = 1,426,029,160.08
  5. Step 5: Solve for x
    x = 1,426,029,160.08/43,582.80
  6. Step 6: Final answer
    x = 32,720.00

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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.