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Finding the Fourth Proportional to 86,735.70, 130,103.55 and 27,577.35

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Solution

The fourth proportional to 86,735.70, 130,103.55 and 27,577.35 is: 41,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,735.70 : 130,103.55 = 27,577.35 : x
  2. Step 2: Convert to fraction form
    86,735.70/130,103.55 = 27,577.35/x
  3. Step 3: Cross multiply
    86,735.70x = 130,103.55 × 27,577.35
  4. Step 4: Simplify right side
    86,735.70x = 3,587,911,134.59
  5. Step 5: Solve for x
    x = 3,587,911,134.59/86,735.70
  6. Step 6: Final answer
    x = 41,366.03

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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.