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Finding the Fourth Proportional to 61,337.76, 92,026.08 and 21,894

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Solution

The fourth proportional to 61,337.76, 92,026.08 and 21,894 is: 32,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,337.76 : 92,026.08 = 21,894 : x
  2. Step 2: Convert to fraction form
    61,337.76/92,026.08 = 21,894/x
  3. Step 3: Cross multiply
    61,337.76x = 92,026.08 × 21,894
  4. Step 4: Simplify right side
    61,337.76x = 2,014,818,995.52
  5. Step 5: Solve for x
    x = 2,014,818,995.52/61,337.76
  6. Step 6: Final answer
    x = 32,847.94

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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.