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Finding the Fourth Proportional to 19,032, 28,549.80 and 6,551.52

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Solution

The fourth proportional to 19,032, 28,549.80 and 6,551.52 is: 9,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032 : 28,549.80 = 6,551.52 : x
  2. Step 2: Convert to fraction form
    19,032/28,549.80 = 6,551.52/x
  3. Step 3: Cross multiply
    19,032x = 28,549.80 × 6,551.52
  4. Step 4: Simplify right side
    19,032x = 187,044,585.70
  5. Step 5: Solve for x
    x = 187,044,585.70/19,032
  6. Step 6: Final answer
    x = 9,827.90

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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.