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Finding the Fourth Proportional to 34,869.84, 48,118.77 and 19,761.63

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Solution

The fourth proportional to 34,869.84, 48,118.77 and 19,761.63 is: 27,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.84 : 48,118.77 = 19,761.63 : x
  2. Step 2: Convert to fraction form
    34,869.84/48,118.77 = 19,761.63/x
  3. Step 3: Cross multiply
    34,869.84x = 48,118.77 × 19,761.63
  4. Step 4: Simplify right side
    34,869.84x = 950,905,328.80
  5. Step 5: Solve for x
    x = 950,905,328.80/34,869.84
  6. Step 6: Final answer
    x = 27,270.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.