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Finding the Fourth Proportional to 5,973.47, 8,909.81 and 5,187.29

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Solution

The fourth proportional to 5,973.47, 8,909.81 and 5,187.29 is: 7,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.47 : 8,909.81 = 5,187.29 : x
  2. Step 2: Convert to fraction form
    5,973.47/8,909.81 = 5,187.29/x
  3. Step 3: Cross multiply
    5,973.47x = 8,909.81 × 5,187.29
  4. Step 4: Simplify right side
    5,973.47x = 46,217,742.38
  5. Step 5: Solve for x
    x = 46,217,742.38/5,973.47
  6. Step 6: Final answer
    x = 7,737.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.