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Finding the Fourth Proportional to 44,076, 66,070.26 and 20,660.52

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Solution

The fourth proportional to 44,076, 66,070.26 and 20,660.52 is: 30,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,076 : 66,070.26 = 20,660.52 : x
  2. Step 2: Convert to fraction form
    44,076/66,070.26 = 20,660.52/x
  3. Step 3: Cross multiply
    44,076x = 66,070.26 × 20,660.52
  4. Step 4: Simplify right side
    44,076x = 1,365,045,928.14
  5. Step 5: Solve for x
    x = 1,365,045,928.14/44,076
  6. Step 6: Final answer
    x = 30,970.28

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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.