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Finding the Fourth Proportional to 10,332.40, 15,497.08 and 3,406

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Solution

The fourth proportional to 10,332.40, 15,497.08 and 3,406 is: 5,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.40 : 15,497.08 = 3,406 : x
  2. Step 2: Convert to fraction form
    10,332.40/15,497.08 = 3,406/x
  3. Step 3: Cross multiply
    10,332.40x = 15,497.08 × 3,406
  4. Step 4: Simplify right side
    10,332.40x = 52,783,054.48
  5. Step 5: Solve for x
    x = 52,783,054.48/10,332.40
  6. Step 6: Final answer
    x = 5,108.50

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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.