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Finding the Fourth Proportional to 58,104, 87,156 and 14,328

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Solution

The fourth proportional to 58,104, 87,156 and 14,328 is: 21,492

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,104 : 87,156 = 14,328 : x
  2. Step 2: Convert to fraction form
    58,104/87,156 = 14,328/x
  3. Step 3: Cross multiply
    58,104x = 87,156 × 14,328
  4. Step 4: Simplify right side
    58,104x = 1,248,771,168
  5. Step 5: Solve for x
    x = 1,248,771,168/58,104
  6. Step 6: Final answer
    x = 21,492

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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.