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Finding the Fourth Proportional to 18,266.58, 25,209.03 and 10,710.16

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Solution

The fourth proportional to 18,266.58, 25,209.03 and 10,710.16 is: 14,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.58 : 25,209.03 = 10,710.16 : x
  2. Step 2: Convert to fraction form
    18,266.58/25,209.03 = 10,710.16/x
  3. Step 3: Cross multiply
    18,266.58x = 25,209.03 × 10,710.16
  4. Step 4: Simplify right side
    18,266.58x = 269,992,744.74
  5. Step 5: Solve for x
    x = 269,992,744.74/18,266.58
  6. Step 6: Final answer
    x = 14,780.69

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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.