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Finding the Fourth Proportional to 44,603.84, 66,895.40 and 13,005.74

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Solution

The fourth proportional to 44,603.84, 66,895.40 and 13,005.74 is: 19,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,603.84 : 66,895.40 = 13,005.74 : x
  2. Step 2: Convert to fraction form
    44,603.84/66,895.40 = 13,005.74/x
  3. Step 3: Cross multiply
    44,603.84x = 66,895.40 × 13,005.74
  4. Step 4: Simplify right side
    44,603.84x = 870,024,179.60
  5. Step 5: Solve for x
    x = 870,024,179.60/44,603.84
  6. Step 6: Final answer
    x = 19,505.59

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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.