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Finding the Fourth Proportional to 9,079.04, 13,618.64 and 2,923.04

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Solution

The fourth proportional to 9,079.04, 13,618.64 and 2,923.04 is: 4,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.04 : 13,618.64 = 2,923.04 : x
  2. Step 2: Convert to fraction form
    9,079.04/13,618.64 = 2,923.04/x
  3. Step 3: Cross multiply
    9,079.04x = 13,618.64 × 2,923.04
  4. Step 4: Simplify right side
    9,079.04x = 39,807,829.47
  5. Step 5: Solve for x
    x = 39,807,829.47/9,079.04
  6. Step 6: Final answer
    x = 4,384.59

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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.