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Finding the Fourth Proportional to 35,663.48, 49,215.84 and 19,748.96

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Solution

The fourth proportional to 35,663.48, 49,215.84 and 19,748.96 is: 27,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,663.48 : 49,215.84 = 19,748.96 : x
  2. Step 2: Convert to fraction form
    35,663.48/49,215.84 = 19,748.96/x
  3. Step 3: Cross multiply
    35,663.48x = 49,215.84 × 19,748.96
  4. Step 4: Simplify right side
    35,663.48x = 971,961,655.53
  5. Step 5: Solve for x
    x = 971,961,655.53/35,663.48
  6. Step 6: Final answer
    x = 27,253.70

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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.