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Finding the Fourth Proportional to 52,580.21, 72,569.02 and 33,440.03

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Solution

The fourth proportional to 52,580.21, 72,569.02 and 33,440.03 is: 46,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.21 : 72,569.02 = 33,440.03 : x
  2. Step 2: Convert to fraction form
    52,580.21/72,569.02 = 33,440.03/x
  3. Step 3: Cross multiply
    52,580.21x = 72,569.02 × 33,440.03
  4. Step 4: Simplify right side
    52,580.21x = 2,426,709,759.43
  5. Step 5: Solve for x
    x = 2,426,709,759.43/52,580.21
  6. Step 6: Final answer
    x = 46,152.54

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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.