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Finding the Fourth Proportional to 35,804.40, 53,745.84 and 28,456.08

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Solution

The fourth proportional to 35,804.40, 53,745.84 and 28,456.08 is: 42,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,804.40 : 53,745.84 = 28,456.08 : x
  2. Step 2: Convert to fraction form
    35,804.40/53,745.84 = 28,456.08/x
  3. Step 3: Cross multiply
    35,804.40x = 53,745.84 × 28,456.08
  4. Step 4: Simplify right side
    35,804.40x = 1,529,395,922.71
  5. Step 5: Solve for x
    x = 1,529,395,922.71/35,804.40
  6. Step 6: Final answer
    x = 42,715.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.