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Finding the Fourth Proportional to 18,547.82, 25,581.10 and 16,304.94

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Solution

The fourth proportional to 18,547.82, 25,581.10 and 16,304.94 is: 22,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.82 : 25,581.10 = 16,304.94 : x
  2. Step 2: Convert to fraction form
    18,547.82/25,581.10 = 16,304.94/x
  3. Step 3: Cross multiply
    18,547.82x = 25,581.10 × 16,304.94
  4. Step 4: Simplify right side
    18,547.82x = 417,098,300.63
  5. Step 5: Solve for x
    x = 417,098,300.63/18,547.82
  6. Step 6: Final answer
    x = 22,487.73

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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.