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Finding the Fourth Proportional to 28,673.40, 43,010.10 and 25,217.40

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Solution

The fourth proportional to 28,673.40, 43,010.10 and 25,217.40 is: 37,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.40 : 43,010.10 = 25,217.40 : x
  2. Step 2: Convert to fraction form
    28,673.40/43,010.10 = 25,217.40/x
  3. Step 3: Cross multiply
    28,673.40x = 43,010.10 × 25,217.40
  4. Step 4: Simplify right side
    28,673.40x = 1,084,602,895.74
  5. Step 5: Solve for x
    x = 1,084,602,895.74/28,673.40
  6. Step 6: Final answer
    x = 37,826.10

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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.