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Finding the Fourth Proportional to 8,598.34, 12,901.95 and 3,666.66

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Solution

The fourth proportional to 8,598.34, 12,901.95 and 3,666.66 is: 5,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.34 : 12,901.95 = 3,666.66 : x
  2. Step 2: Convert to fraction form
    8,598.34/12,901.95 = 3,666.66/x
  3. Step 3: Cross multiply
    8,598.34x = 12,901.95 × 3,666.66
  4. Step 4: Simplify right side
    8,598.34x = 47,306,999.48
  5. Step 5: Solve for x
    x = 47,306,999.48/8,598.34
  6. Step 6: Final answer
    x = 5,501.88

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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.