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Finding the Fourth Proportional to 35,859.84, 49,484.40 and 19,943.76

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Solution

The fourth proportional to 35,859.84, 49,484.40 and 19,943.76 is: 27,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.84 : 49,484.40 = 19,943.76 : x
  2. Step 2: Convert to fraction form
    35,859.84/49,484.40 = 19,943.76/x
  3. Step 3: Cross multiply
    35,859.84x = 49,484.40 × 19,943.76
  4. Step 4: Simplify right side
    35,859.84x = 986,904,997.34
  5. Step 5: Solve for x
    x = 986,904,997.34/35,859.84
  6. Step 6: Final answer
    x = 27,521.18

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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.