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Finding the Fourth Proportional to 66,483.63, 91,740.33 and 37,411.49

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Solution

The fourth proportional to 66,483.63, 91,740.33 and 37,411.49 is: 51,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,483.63 : 91,740.33 = 37,411.49 : x
  2. Step 2: Convert to fraction form
    66,483.63/91,740.33 = 37,411.49/x
  3. Step 3: Cross multiply
    66,483.63x = 91,740.33 × 37,411.49
  4. Step 4: Simplify right side
    66,483.63x = 3,432,142,464.01
  5. Step 5: Solve for x
    x = 3,432,142,464.01/66,483.63
  6. Step 6: Final answer
    x = 51,623.87

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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.