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Finding the Fourth Proportional to 32,628, 48,942 and 14,160

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Solution

The fourth proportional to 32,628, 48,942 and 14,160 is: 21,240

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628 : 48,942 = 14,160 : x
  2. Step 2: Convert to fraction form
    32,628/48,942 = 14,160/x
  3. Step 3: Cross multiply
    32,628x = 48,942 × 14,160
  4. Step 4: Simplify right side
    32,628x = 693,018,720
  5. Step 5: Solve for x
    x = 693,018,720/32,628
  6. Step 6: Final answer
    x = 21,240

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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.