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Finding the Fourth Proportional to 71,886.99, 107,830.49 and 27,527.34

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Solution

The fourth proportional to 71,886.99, 107,830.49 and 27,527.34 is: 41,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,886.99 : 107,830.49 = 27,527.34 : x
  2. Step 2: Convert to fraction form
    71,886.99/107,830.49 = 27,527.34/x
  3. Step 3: Cross multiply
    71,886.99x = 107,830.49 × 27,527.34
  4. Step 4: Simplify right side
    71,886.99x = 2,968,286,422.96
  5. Step 5: Solve for x
    x = 2,968,286,422.96/71,886.99
  6. Step 6: Final answer
    x = 41,291.01

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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.