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Finding the Fourth Proportional to 16,561, 24,841.56 and 15,730.48

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Solution

The fourth proportional to 16,561, 24,841.56 and 15,730.48 is: 23,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561 : 24,841.56 = 15,730.48 : x
  2. Step 2: Convert to fraction form
    16,561/24,841.56 = 15,730.48/x
  3. Step 3: Cross multiply
    16,561x = 24,841.56 × 15,730.48
  4. Step 4: Simplify right side
    16,561x = 390,769,662.75
  5. Step 5: Solve for x
    x = 390,769,662.75/16,561
  6. Step 6: Final answer
    x = 23,595.78

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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.