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Finding the Fourth Proportional to 11,364.74, 17,048.71 and 5,520.58

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Solution

The fourth proportional to 11,364.74, 17,048.71 and 5,520.58 is: 8,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.74 : 17,048.71 = 5,520.58 : x
  2. Step 2: Convert to fraction form
    11,364.74/17,048.71 = 5,520.58/x
  3. Step 3: Cross multiply
    11,364.74x = 17,048.71 × 5,520.58
  4. Step 4: Simplify right side
    11,364.74x = 94,118,767.45
  5. Step 5: Solve for x
    x = 94,118,767.45/11,364.74
  6. Step 6: Final answer
    x = 8,281.65

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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.