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Finding the Fourth Proportional to 52,580.67, 72,569.66 and 33,440.49

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Solution

The fourth proportional to 52,580.67, 72,569.66 and 33,440.49 is: 46,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.67 : 72,569.66 = 33,440.49 : x
  2. Step 2: Convert to fraction form
    52,580.67/72,569.66 = 33,440.49/x
  3. Step 3: Cross multiply
    52,580.67x = 72,569.66 × 33,440.49
  4. Step 4: Simplify right side
    52,580.67x = 2,426,764,989.53
  5. Step 5: Solve for x
    x = 2,426,764,989.53/52,580.67
  6. Step 6: Final answer
    x = 46,153.18

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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.