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Finding the Fourth Proportional to 25,411.28, 38,114.08 and 6,693.08

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Solution

The fourth proportional to 25,411.28, 38,114.08 and 6,693.08 is: 10,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.28 : 38,114.08 = 6,693.08 : x
  2. Step 2: Convert to fraction form
    25,411.28/38,114.08 = 6,693.08/x
  3. Step 3: Cross multiply
    25,411.28x = 38,114.08 × 6,693.08
  4. Step 4: Simplify right side
    25,411.28x = 255,100,586.57
  5. Step 5: Solve for x
    x = 255,100,586.57/25,411.28
  6. Step 6: Final answer
    x = 10,038.87

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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.