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Finding the Fourth Proportional to 47,336.69, 70,980.15 and 14,052.17

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Solution

The fourth proportional to 47,336.69, 70,980.15 and 14,052.17 is: 21,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,336.69 : 70,980.15 = 14,052.17 : x
  2. Step 2: Convert to fraction form
    47,336.69/70,980.15 = 14,052.17/x
  3. Step 3: Cross multiply
    47,336.69x = 70,980.15 × 14,052.17
  4. Step 4: Simplify right side
    47,336.69x = 997,425,364.57
  5. Step 5: Solve for x
    x = 997,425,364.57/47,336.69
  6. Step 6: Final answer
    x = 21,070.87

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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.