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Finding the Fourth Proportional to 35,137.46, 48,490.90 and 19,221.92

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Solution

The fourth proportional to 35,137.46, 48,490.90 and 19,221.92 is: 26,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.46 : 48,490.90 = 19,221.92 : x
  2. Step 2: Convert to fraction form
    35,137.46/48,490.90 = 19,221.92/x
  3. Step 3: Cross multiply
    35,137.46x = 48,490.90 × 19,221.92
  4. Step 4: Simplify right side
    35,137.46x = 932,088,200.53
  5. Step 5: Solve for x
    x = 932,088,200.53/35,137.46
  6. Step 6: Final answer
    x = 26,526.91

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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.