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Finding the Fourth Proportional to 86,693.30, 130,043.55 and 27,527.30

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Solution

The fourth proportional to 86,693.30, 130,043.55 and 27,527.30 is: 41,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,693.30 : 130,043.55 = 27,527.30 : x
  2. Step 2: Convert to fraction form
    86,693.30/130,043.55 = 27,527.30/x
  3. Step 3: Cross multiply
    86,693.30x = 130,043.55 × 27,527.30
  4. Step 4: Simplify right side
    86,693.30x = 3,579,747,813.92
  5. Step 5: Solve for x
    x = 3,579,747,813.92/86,693.30
  6. Step 6: Final answer
    x = 41,292.09

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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.