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Finding the Fourth Proportional to 59,412.64, 81,986.92 and 35,525.20

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Solution

The fourth proportional to 59,412.64, 81,986.92 and 35,525.20 is: 49,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,412.64 : 81,986.92 = 35,525.20 : x
  2. Step 2: Convert to fraction form
    59,412.64/81,986.92 = 35,525.20/x
  3. Step 3: Cross multiply
    59,412.64x = 81,986.92 × 35,525.20
  4. Step 4: Simplify right side
    59,412.64x = 2,912,601,730.38
  5. Step 5: Solve for x
    x = 2,912,601,730.38/59,412.64
  6. Step 6: Final answer
    x = 49,023.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.