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Finding the Fourth Proportional to 45,970.81, 68,860.53 and 44,384.63

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Solution

The fourth proportional to 45,970.81, 68,860.53 and 44,384.63 is: 66,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,970.81 : 68,860.53 = 44,384.63 : x
  2. Step 2: Convert to fraction form
    45,970.81/68,860.53 = 44,384.63/x
  3. Step 3: Cross multiply
    45,970.81x = 68,860.53 × 44,384.63
  4. Step 4: Simplify right side
    45,970.81x = 3,056,348,801.35
  5. Step 5: Solve for x
    x = 3,056,348,801.35/45,970.81
  6. Step 6: Final answer
    x = 66,484.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.