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Finding the Fourth Proportional to 28,898.60, 43,283.10 and 23,714.60

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Solution

The fourth proportional to 28,898.60, 43,283.10 and 23,714.60 is: 35,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.60 : 43,283.10 = 23,714.60 : x
  2. Step 2: Convert to fraction form
    28,898.60/43,283.10 = 23,714.60/x
  3. Step 3: Cross multiply
    28,898.60x = 43,283.10 × 23,714.60
  4. Step 4: Simplify right side
    28,898.60x = 1,026,441,403.26
  5. Step 5: Solve for x
    x = 1,026,441,403.26/28,898.60
  6. Step 6: Final answer
    x = 35,518.72

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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.