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Finding the Fourth Proportional to 35,804.40, 49,409.44 and 19,888.44

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Solution

The fourth proportional to 35,804.40, 49,409.44 and 19,888.44 is: 27,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,804.40 : 49,409.44 = 19,888.44 : x
  2. Step 2: Convert to fraction form
    35,804.40/49,409.44 = 19,888.44/x
  3. Step 3: Cross multiply
    35,804.40x = 49,409.44 × 19,888.44
  4. Step 4: Simplify right side
    35,804.40x = 982,676,682.87
  5. Step 5: Solve for x
    x = 982,676,682.87/35,804.40
  6. Step 6: Final answer
    x = 27,445.70

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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.