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Finding the Fourth Proportional to 29,420.40, 44,130.60 and 14,631.60

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Solution

The fourth proportional to 29,420.40, 44,130.60 and 14,631.60 is: 21,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.40 : 44,130.60 = 14,631.60 : x
  2. Step 2: Convert to fraction form
    29,420.40/44,130.60 = 14,631.60/x
  3. Step 3: Cross multiply
    29,420.40x = 44,130.60 × 14,631.60
  4. Step 4: Simplify right side
    29,420.40x = 645,701,286.96
  5. Step 5: Solve for x
    x = 645,701,286.96/29,420.40
  6. Step 6: Final answer
    x = 21,947.40

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Similar ratio
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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.