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Finding the Fourth Proportional to 8,674.58, 11,964.71 and 5,445.33

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Solution

The fourth proportional to 8,674.58, 11,964.71 and 5,445.33 is: 7,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.58 : 11,964.71 = 5,445.33 : x
  2. Step 2: Convert to fraction form
    8,674.58/11,964.71 = 5,445.33/x
  3. Step 3: Cross multiply
    8,674.58x = 11,964.71 × 5,445.33
  4. Step 4: Simplify right side
    8,674.58x = 65,151,830.35
  5. Step 5: Solve for x
    x = 65,151,830.35/8,674.58
  6. Step 6: Final answer
    x = 7,510.66

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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.