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Finding the Fourth Proportional to 44,304.84, 66,460.86 and 13,140

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Solution

The fourth proportional to 44,304.84, 66,460.86 and 13,140 is: 19,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,304.84 : 66,460.86 = 13,140 : x
  2. Step 2: Convert to fraction form
    44,304.84/66,460.86 = 13,140/x
  3. Step 3: Cross multiply
    44,304.84x = 66,460.86 × 13,140
  4. Step 4: Simplify right side
    44,304.84x = 873,295,700.40
  5. Step 5: Solve for x
    x = 873,295,700.40/44,304.84
  6. Step 6: Final answer
    x = 19,711.07

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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.