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Finding the Fourth Proportional to 16,506.45, 24,752.48 and 6,642.45

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Solution

The fourth proportional to 16,506.45, 24,752.48 and 6,642.45 is: 9,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506.45 : 24,752.48 = 6,642.45 : x
  2. Step 2: Convert to fraction form
    16,506.45/24,752.48 = 6,642.45/x
  3. Step 3: Cross multiply
    16,506.45x = 24,752.48 × 6,642.45
  4. Step 4: Simplify right side
    16,506.45x = 164,417,077.56
  5. Step 5: Solve for x
    x = 164,417,077.56/16,506.45
  6. Step 6: Final answer
    x = 9,960.78

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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.