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Finding the Fourth Proportional to 29,427.40, 44,141.10 and 14,638.60

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Solution

The fourth proportional to 29,427.40, 44,141.10 and 14,638.60 is: 21,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.40 : 44,141.10 = 14,638.60 : x
  2. Step 2: Convert to fraction form
    29,427.40/44,141.10 = 14,638.60/x
  3. Step 3: Cross multiply
    29,427.40x = 44,141.10 × 14,638.60
  4. Step 4: Simplify right side
    29,427.40x = 646,163,906.46
  5. Step 5: Solve for x
    x = 646,163,906.46/29,427.40
  6. Step 6: Final answer
    x = 21,957.90

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1.5x scale

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.