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Finding the Fourth Proportional to 17,953.30, 26,929.93 and 4,805.32

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Solution

The fourth proportional to 17,953.30, 26,929.93 and 4,805.32 is: 7,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.30 : 26,929.93 = 4,805.32 : x
  2. Step 2: Convert to fraction form
    17,953.30/26,929.93 = 4,805.32/x
  3. Step 3: Cross multiply
    17,953.30x = 26,929.93 × 4,805.32
  4. Step 4: Simplify right side
    17,953.30x = 129,406,907.20
  5. Step 5: Solve for x
    x = 129,406,907.20/17,953.30
  6. Step 6: Final answer
    x = 7,207.98

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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.