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Finding the Fourth Proportional to 23,009.31, 34,492.05 and 7,416

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Solution

The fourth proportional to 23,009.31, 34,492.05 and 7,416 is: 11,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.31 : 34,492.05 = 7,416 : x
  2. Step 2: Convert to fraction form
    23,009.31/34,492.05 = 7,416/x
  3. Step 3: Cross multiply
    23,009.31x = 34,492.05 × 7,416
  4. Step 4: Simplify right side
    23,009.31x = 255,793,042.80
  5. Step 5: Solve for x
    x = 255,793,042.80/23,009.31
  6. Step 6: Final answer
    x = 11,116.94

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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.