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Finding the Fourth Proportional to 46,671.84, 70,008.48 and 13,394.88

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Solution

The fourth proportional to 46,671.84, 70,008.48 and 13,394.88 is: 20,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,671.84 : 70,008.48 = 13,394.88 : x
  2. Step 2: Convert to fraction form
    46,671.84/70,008.48 = 13,394.88/x
  3. Step 3: Cross multiply
    46,671.84x = 70,008.48 × 13,394.88
  4. Step 4: Simplify right side
    46,671.84x = 937,755,188.58
  5. Step 5: Solve for x
    x = 937,755,188.58/46,671.84
  6. Step 6: Final answer
    x = 20,092.53

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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.