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Finding the Fourth Proportional to 42,501.79, 64,005.71 and 37,021.33

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Solution

The fourth proportional to 42,501.79, 64,005.71 and 37,021.33 is: 55,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,501.79 : 64,005.71 = 37,021.33 : x
  2. Step 2: Convert to fraction form
    42,501.79/64,005.71 = 37,021.33/x
  3. Step 3: Cross multiply
    42,501.79x = 64,005.71 × 37,021.33
  4. Step 4: Simplify right side
    42,501.79x = 2,369,576,511.79
  5. Step 5: Solve for x
    x = 2,369,576,511.79/42,501.79
  6. Step 6: Final answer
    x = 55,752.39

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.