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Finding the Fourth Proportional to 35,054.91, 48,376.80 and 19,140.39

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Solution

The fourth proportional to 35,054.91, 48,376.80 and 19,140.39 is: 26,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,054.91 : 48,376.80 = 19,140.39 : x
  2. Step 2: Convert to fraction form
    35,054.91/48,376.80 = 19,140.39/x
  3. Step 3: Cross multiply
    35,054.91x = 48,376.80 × 19,140.39
  4. Step 4: Simplify right side
    35,054.91x = 925,950,818.95
  5. Step 5: Solve for x
    x = 925,950,818.95/35,054.91
  6. Step 6: Final answer
    x = 26,414.30

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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.