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Finding the Fourth Proportional to 35,234.49, 48,623.56 and 19,319.20

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Solution

The fourth proportional to 35,234.49, 48,623.56 and 19,319.20 is: 26,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,234.49 : 48,623.56 = 19,319.20 : x
  2. Step 2: Convert to fraction form
    35,234.49/48,623.56 = 19,319.20/x
  3. Step 3: Cross multiply
    35,234.49x = 48,623.56 × 19,319.20
  4. Step 4: Simplify right side
    35,234.49x = 939,368,280.35
  5. Step 5: Solve for x
    x = 939,368,280.35/35,234.49
  6. Step 6: Final answer
    x = 26,660.48

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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.