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Finding the Fourth Proportional to 58,488, 87,732 and 14,712

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Solution

The fourth proportional to 58,488, 87,732 and 14,712 is: 22,068

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488 : 87,732 = 14,712 : x
  2. Step 2: Convert to fraction form
    58,488/87,732 = 14,712/x
  3. Step 3: Cross multiply
    58,488x = 87,732 × 14,712
  4. Step 4: Simplify right side
    58,488x = 1,290,713,184
  5. Step 5: Solve for x
    x = 1,290,713,184/58,488
  6. Step 6: Final answer
    x = 22,068

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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.