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Finding the Fourth Proportional to 77,615.28, 116,411.04 and 25,019.28

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Solution

The fourth proportional to 77,615.28, 116,411.04 and 25,019.28 is: 37,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,615.28 : 116,411.04 = 25,019.28 : x
  2. Step 2: Convert to fraction form
    77,615.28/116,411.04 = 25,019.28/x
  3. Step 3: Cross multiply
    77,615.28x = 116,411.04 × 25,019.28
  4. Step 4: Simplify right side
    77,615.28x = 2,912,520,404.85
  5. Step 5: Solve for x
    x = 2,912,520,404.85/77,615.28
  6. Step 6: Final answer
    x = 37,525.09

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1.5x scale

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.