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Finding the Fourth Proportional to 8,983.90, 13,470.01 and 4,303.79

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Solution

The fourth proportional to 8,983.90, 13,470.01 and 4,303.79 is: 6,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.90 : 13,470.01 = 4,303.79 : x
  2. Step 2: Convert to fraction form
    8,983.90/13,470.01 = 4,303.79/x
  3. Step 3: Cross multiply
    8,983.90x = 13,470.01 × 4,303.79
  4. Step 4: Simplify right side
    8,983.90x = 57,972,094.34
  5. Step 5: Solve for x
    x = 57,972,094.34/8,983.90
  6. Step 6: Final answer
    x = 6,452.89

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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.