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Finding the Fourth Proportional to 28,734.01, 43,101.05 and 9,014.09

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Solution

The fourth proportional to 28,734.01, 43,101.05 and 9,014.09 is: 13,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.01 : 43,101.05 = 9,014.09 : x
  2. Step 2: Convert to fraction form
    28,734.01/43,101.05 = 9,014.09/x
  3. Step 3: Cross multiply
    28,734.01x = 43,101.05 × 9,014.09
  4. Step 4: Simplify right side
    28,734.01x = 388,516,483.22
  5. Step 5: Solve for x
    x = 388,516,483.22/28,734.01
  6. Step 6: Final answer
    x = 13,521.14

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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.