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Finding the Fourth Proportional to 71,577.79, 107,379.88 and 23,549.09

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Solution

The fourth proportional to 71,577.79, 107,379.88 and 23,549.09 is: 35,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,577.79 : 107,379.88 = 23,549.09 : x
  2. Step 2: Convert to fraction form
    71,577.79/107,379.88 = 23,549.09/x
  3. Step 3: Cross multiply
    71,577.79x = 107,379.88 × 23,549.09
  4. Step 4: Simplify right side
    71,577.79x = 2,528,698,898.66
  5. Step 5: Solve for x
    x = 2,528,698,898.66/71,577.79
  6. Step 6: Final answer
    x = 35,327.98

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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.