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Finding the Fourth Proportional to 60,798.57, 91,193.28 and 21,356.03

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Solution

The fourth proportional to 60,798.57, 91,193.28 and 21,356.03 is: 32,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,798.57 : 91,193.28 = 21,356.03 : x
  2. Step 2: Convert to fraction form
    60,798.57/91,193.28 = 21,356.03/x
  3. Step 3: Cross multiply
    60,798.57x = 91,193.28 × 21,356.03
  4. Step 4: Simplify right side
    60,798.57x = 1,947,525,967.51
  5. Step 5: Solve for x
    x = 1,947,525,967.51/60,798.57
  6. Step 6: Final answer
    x = 32,032.43

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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.