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Finding the Fourth Proportional to 29,929.60, 44,980.80 and 29,411.20

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Solution

The fourth proportional to 29,929.60, 44,980.80 and 29,411.20 is: 44,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.60 : 44,980.80 = 29,411.20 : x
  2. Step 2: Convert to fraction form
    29,929.60/44,980.80 = 29,411.20/x
  3. Step 3: Cross multiply
    29,929.60x = 44,980.80 × 29,411.20
  4. Step 4: Simplify right side
    29,929.60x = 1,322,939,304.96
  5. Step 5: Solve for x
    x = 1,322,939,304.96/29,929.60
  6. Step 6: Final answer
    x = 44,201.70

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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.