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Finding the Fourth Proportional to 29,601.60, 44,402.40 and 9,880.80

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Solution

The fourth proportional to 29,601.60, 44,402.40 and 9,880.80 is: 14,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,601.60 : 44,402.40 = 9,880.80 : x
  2. Step 2: Convert to fraction form
    29,601.60/44,402.40 = 9,880.80/x
  3. Step 3: Cross multiply
    29,601.60x = 44,402.40 × 9,880.80
  4. Step 4: Simplify right side
    29,601.60x = 438,731,233.92
  5. Step 5: Solve for x
    x = 438,731,233.92/29,601.60
  6. Step 6: Final answer
    x = 14,821.20

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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.