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Finding the Fourth Proportional to 8,373.70, 11,555.88 and 5,020.02

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Solution

The fourth proportional to 8,373.70, 11,555.88 and 5,020.02 is: 6,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.70 : 11,555.88 = 5,020.02 : x
  2. Step 2: Convert to fraction form
    8,373.70/11,555.88 = 5,020.02/x
  3. Step 3: Cross multiply
    8,373.70x = 11,555.88 × 5,020.02
  4. Step 4: Simplify right side
    8,373.70x = 58,010,748.72
  5. Step 5: Solve for x
    x = 58,010,748.72/8,373.70
  6. Step 6: Final answer
    x = 6,927.73

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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.