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Finding the Fourth Proportional to 19,008.58, 28,514.47 and 7,004

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Solution

The fourth proportional to 19,008.58, 28,514.47 and 7,004 is: 10,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.58 : 28,514.47 = 7,004 : x
  2. Step 2: Convert to fraction form
    19,008.58/28,514.47 = 7,004/x
  3. Step 3: Cross multiply
    19,008.58x = 28,514.47 × 7,004
  4. Step 4: Simplify right side
    19,008.58x = 199,715,312.86
  5. Step 5: Solve for x
    x = 199,715,312.86/19,008.58
  6. Step 6: Final answer
    x = 10,506.59

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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.