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Finding the Fourth Proportional to 46,880, 70,320 and 14,048

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Solution

The fourth proportional to 46,880, 70,320 and 14,048 is: 21,072

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,880 : 70,320 = 14,048 : x
  2. Step 2: Convert to fraction form
    46,880/70,320 = 14,048/x
  3. Step 3: Cross multiply
    46,880x = 70,320 × 14,048
  4. Step 4: Simplify right side
    46,880x = 987,855,360
  5. Step 5: Solve for x
    x = 987,855,360/46,880
  6. Step 6: Final answer
    x = 21,072

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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.