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Finding the Fourth Proportional to 35,891.60, 53,804.28 and 19,263.28

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Solution

The fourth proportional to 35,891.60, 53,804.28 and 19,263.28 is: 28,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.60 : 53,804.28 = 19,263.28 : x
  2. Step 2: Convert to fraction form
    35,891.60/53,804.28 = 19,263.28/x
  3. Step 3: Cross multiply
    35,891.60x = 53,804.28 × 19,263.28
  4. Step 4: Simplify right side
    35,891.60x = 1,036,446,910.84
  5. Step 5: Solve for x
    x = 1,036,446,910.84/35,891.60
  6. Step 6: Final answer
    x = 28,877.14

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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.