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Finding the Fourth Proportional to 19,695.54, 29,569.08 and 11,704.94

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Solution

The fourth proportional to 19,695.54, 29,569.08 and 11,704.94 is: 17,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.54 : 29,569.08 = 11,704.94 : x
  2. Step 2: Convert to fraction form
    19,695.54/29,569.08 = 11,704.94/x
  3. Step 3: Cross multiply
    19,695.54x = 29,569.08 × 11,704.94
  4. Step 4: Simplify right side
    19,695.54x = 346,104,307.26
  5. Step 5: Solve for x
    x = 346,104,307.26/19,695.54
  6. Step 6: Final answer
    x = 17,572.72

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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.