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Finding the Fourth Proportional to 18,260.58, 25,199.61 and 9,877.08

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Solution

The fourth proportional to 18,260.58, 25,199.61 and 9,877.08 is: 13,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.58 : 25,199.61 = 9,877.08 : x
  2. Step 2: Convert to fraction form
    18,260.58/25,199.61 = 9,877.08/x
  3. Step 3: Cross multiply
    18,260.58x = 25,199.61 × 9,877.08
  4. Step 4: Simplify right side
    18,260.58x = 248,898,563.94
  5. Step 5: Solve for x
    x = 248,898,563.94/18,260.58
  6. Step 6: Final answer
    x = 13,630.38

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Similar ratio
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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.