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Finding the Fourth Proportional to 61,752.34, 92,630.40 and 19,632.88

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Solution

The fourth proportional to 61,752.34, 92,630.40 and 19,632.88 is: 29,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.34 : 92,630.40 = 19,632.88 : x
  2. Step 2: Convert to fraction form
    61,752.34/92,630.40 = 19,632.88/x
  3. Step 3: Cross multiply
    61,752.34x = 92,630.40 × 19,632.88
  4. Step 4: Simplify right side
    61,752.34x = 1,818,601,527.55
  5. Step 5: Solve for x
    x = 1,818,601,527.55/61,752.34
  6. Step 6: Final answer
    x = 29,449.92

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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.