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Finding the Fourth Proportional to 61,927.84, 92,875.20 and 26,859.28

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Solution

The fourth proportional to 61,927.84, 92,875.20 and 26,859.28 is: 40,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,927.84 : 92,875.20 = 26,859.28 : x
  2. Step 2: Convert to fraction form
    61,927.84/92,875.20 = 26,859.28/x
  3. Step 3: Cross multiply
    61,927.84x = 92,875.20 × 26,859.28
  4. Step 4: Simplify right side
    61,927.84x = 2,494,561,001.86
  5. Step 5: Solve for x
    x = 2,494,561,001.86/61,927.84
  6. Step 6: Final answer
    x = 40,281.74

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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.