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Finding the Fourth Proportional to 18,302.61, 27,425.19 and 10,903.02

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Solution

The fourth proportional to 18,302.61, 27,425.19 and 10,903.02 is: 16,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.61 : 27,425.19 = 10,903.02 : x
  2. Step 2: Convert to fraction form
    18,302.61/27,425.19 = 10,903.02/x
  3. Step 3: Cross multiply
    18,302.61x = 27,425.19 × 10,903.02
  4. Step 4: Simplify right side
    18,302.61x = 299,017,395.07
  5. Step 5: Solve for x
    x = 299,017,395.07/18,302.61
  6. Step 6: Final answer
    x = 16,337.42

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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.