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Finding the Fourth Proportional to 34,678.95, 52,018.44 and 8,383.70

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Solution

The fourth proportional to 34,678.95, 52,018.44 and 8,383.70 is: 12,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.95 : 52,018.44 = 8,383.70 : x
  2. Step 2: Convert to fraction form
    34,678.95/52,018.44 = 8,383.70/x
  3. Step 3: Cross multiply
    34,678.95x = 52,018.44 × 8,383.70
  4. Step 4: Simplify right side
    34,678.95x = 436,106,735.34
  5. Step 5: Solve for x
    x = 436,106,735.34/34,678.95
  6. Step 6: Final answer
    x = 12,575.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.