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Finding the Fourth Proportional to 18,461.78, 27,548.61 and 16,473.74

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Solution

The fourth proportional to 18,461.78, 27,548.61 and 16,473.74 is: 24,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.78 : 27,548.61 = 16,473.74 : x
  2. Step 2: Convert to fraction form
    18,461.78/27,548.61 = 16,473.74/x
  3. Step 3: Cross multiply
    18,461.78x = 27,548.61 × 16,473.74
  4. Step 4: Simplify right side
    18,461.78x = 453,828,638.50
  5. Step 5: Solve for x
    x = 453,828,638.50/18,461.78
  6. Step 6: Final answer
    x = 24,582.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.