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Finding the Fourth Proportional to 25,889.88, 38,873.70 and 14,809.08

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Solution

The fourth proportional to 25,889.88, 38,873.70 and 14,809.08 is: 22,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889.88 : 38,873.70 = 14,809.08 : x
  2. Step 2: Convert to fraction form
    25,889.88/38,873.70 = 14,809.08/x
  3. Step 3: Cross multiply
    25,889.88x = 38,873.70 × 14,809.08
  4. Step 4: Simplify right side
    25,889.88x = 575,683,733.20
  5. Step 5: Solve for x
    x = 575,683,733.20/25,889.88
  6. Step 6: Final answer
    x = 22,235.86

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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.