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Finding the Fourth Proportional to 8,597, 12,901.26 and 3,125

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Solution

The fourth proportional to 8,597, 12,901.26 and 3,125 is: 4,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597 : 12,901.26 = 3,125 : x
  2. Step 2: Convert to fraction form
    8,597/12,901.26 = 3,125/x
  3. Step 3: Cross multiply
    8,597x = 12,901.26 × 3,125
  4. Step 4: Simplify right side
    8,597x = 40,316,437.50
  5. Step 5: Solve for x
    x = 40,316,437.50/8,597
  6. Step 6: Final answer
    x = 4,689.59

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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.