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Finding the Fourth Proportional to 46,988, 70,482 and 14,156

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Solution

The fourth proportional to 46,988, 70,482 and 14,156 is: 21,234

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,988 : 70,482 = 14,156 : x
  2. Step 2: Convert to fraction form
    46,988/70,482 = 14,156/x
  3. Step 3: Cross multiply
    46,988x = 70,482 × 14,156
  4. Step 4: Simplify right side
    46,988x = 997,743,192
  5. Step 5: Solve for x
    x = 997,743,192/46,988
  6. Step 6: Final answer
    x = 21,234

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.