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Finding the Fourth Proportional to 58,356, 87,534 and 14,580

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Solution

The fourth proportional to 58,356, 87,534 and 14,580 is: 21,870

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,356 : 87,534 = 14,580 : x
  2. Step 2: Convert to fraction form
    58,356/87,534 = 14,580/x
  3. Step 3: Cross multiply
    58,356x = 87,534 × 14,580
  4. Step 4: Simplify right side
    58,356x = 1,276,245,720
  5. Step 5: Solve for x
    x = 1,276,245,720/58,356
  6. Step 6: Final answer
    x = 21,870

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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.