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Finding the Fourth Proportional to 35,415.82, 48,874.45 and 19,499.93

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Solution

The fourth proportional to 35,415.82, 48,874.45 and 19,499.93 is: 26,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.82 : 48,874.45 = 19,499.93 : x
  2. Step 2: Convert to fraction form
    35,415.82/48,874.45 = 19,499.93/x
  3. Step 3: Cross multiply
    35,415.82x = 48,874.45 × 19,499.93
  4. Step 4: Simplify right side
    35,415.82x = 953,048,353.79
  5. Step 5: Solve for x
    x = 953,048,353.79/35,415.82
  6. Step 6: Final answer
    x = 26,910.24

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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.