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Finding the Fourth Proportional to 47,292.32, 70,948.86 and 14,014.99

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Solution

The fourth proportional to 47,292.32, 70,948.86 and 14,014.99 is: 21,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,292.32 : 70,948.86 = 14,014.99 : x
  2. Step 2: Convert to fraction form
    47,292.32/70,948.86 = 14,014.99/x
  3. Step 3: Cross multiply
    47,292.32x = 70,948.86 × 14,014.99
  4. Step 4: Simplify right side
    47,292.32x = 994,347,138.59
  5. Step 5: Solve for x
    x = 994,347,138.59/47,292.32
  6. Step 6: Final answer
    x = 21,025.55

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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.