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Finding the Fourth Proportional to 19,554.93, 29,339.75 and 9,030

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Solution

The fourth proportional to 19,554.93, 29,339.75 and 9,030 is: 13,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.93 : 29,339.75 = 9,030 : x
  2. Step 2: Convert to fraction form
    19,554.93/29,339.75 = 9,030/x
  3. Step 3: Cross multiply
    19,554.93x = 29,339.75 × 9,030
  4. Step 4: Simplify right side
    19,554.93x = 264,937,897.35
  5. Step 5: Solve for x
    x = 264,937,897.35/19,554.93
  6. Step 6: Final answer
    x = 13,548.39

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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.