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Finding the Fourth Proportional to 35,225.76, 48,611.84 and 19,311.68

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Solution

The fourth proportional to 35,225.76, 48,611.84 and 19,311.68 is: 26,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,225.76 : 48,611.84 = 19,311.68 : x
  2. Step 2: Convert to fraction form
    35,225.76/48,611.84 = 19,311.68/x
  3. Step 3: Cross multiply
    35,225.76x = 48,611.84 × 19,311.68
  4. Step 4: Simplify right side
    35,225.76x = 938,776,298.29
  5. Step 5: Solve for x
    x = 938,776,298.29/35,225.76
  6. Step 6: Final answer
    x = 26,650.28

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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.