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Finding the Fourth Proportional to 35,445.15, 48,914.31 and 19,529.46

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Solution

The fourth proportional to 35,445.15, 48,914.31 and 19,529.46 is: 26,950.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.15 : 48,914.31 = 19,529.46 : x
  2. Step 2: Convert to fraction form
    35,445.15/48,914.31 = 19,529.46/x
  3. Step 3: Cross multiply
    35,445.15x = 48,914.31 × 19,529.46
  4. Step 4: Simplify right side
    35,445.15x = 955,270,317.24
  5. Step 5: Solve for x
    x = 955,270,317.24/35,445.15
  6. Step 6: Final answer
    x = 26,950.66

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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.