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Finding the Fourth Proportional to 35,347.74, 48,780.82 and 19,216.14

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Solution

The fourth proportional to 35,347.74, 48,780.82 and 19,216.14 is: 26,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.74 : 48,780.82 = 19,216.14 : x
  2. Step 2: Convert to fraction form
    35,347.74/48,780.82 = 19,216.14/x
  3. Step 3: Cross multiply
    35,347.74x = 48,780.82 × 19,216.14
  4. Step 4: Simplify right side
    35,347.74x = 937,379,066.43
  5. Step 5: Solve for x
    x = 937,379,066.43/35,347.74
  6. Step 6: Final answer
    x = 26,518.78

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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.