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Finding the Fourth Proportional to 18,609.84, 25,681.50 and 10,652.22

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Solution

The fourth proportional to 18,609.84, 25,681.50 and 10,652.22 is: 14,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.84 : 25,681.50 = 10,652.22 : x
  2. Step 2: Convert to fraction form
    18,609.84/25,681.50 = 10,652.22/x
  3. Step 3: Cross multiply
    18,609.84x = 25,681.50 × 10,652.22
  4. Step 4: Simplify right side
    18,609.84x = 273,564,987.93
  5. Step 5: Solve for x
    x = 273,564,987.93/18,609.84
  6. Step 6: Final answer
    x = 14,700.02

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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.