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Finding the Fourth Proportional to 14,603.04, 21,904.48 and 5,369.12

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Solution

The fourth proportional to 14,603.04, 21,904.48 and 5,369.12 is: 8,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.04 : 21,904.48 = 5,369.12 : x
  2. Step 2: Convert to fraction form
    14,603.04/21,904.48 = 5,369.12/x
  3. Step 3: Cross multiply
    14,603.04x = 21,904.48 × 5,369.12
  4. Step 4: Simplify right side
    14,603.04x = 117,607,781.66
  5. Step 5: Solve for x
    x = 117,607,781.66/14,603.04
  6. Step 6: Final answer
    x = 8,053.65

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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.