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Finding the Fourth Proportional to 17,031.94, 25,547.92 and 4,719.94

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Solution

The fourth proportional to 17,031.94, 25,547.92 and 4,719.94 is: 7,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.94 : 25,547.92 = 4,719.94 : x
  2. Step 2: Convert to fraction form
    17,031.94/25,547.92 = 4,719.94/x
  3. Step 3: Cross multiply
    17,031.94x = 25,547.92 × 4,719.94
  4. Step 4: Simplify right side
    17,031.94x = 120,584,573.86
  5. Step 5: Solve for x
    x = 120,584,573.86/17,031.94
  6. Step 6: Final answer
    x = 7,079.91

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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.