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Finding the Fourth Proportional to 60,032.94, 90,043.20 and 17,913.48

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Solution

The fourth proportional to 60,032.94, 90,043.20 and 17,913.48 is: 26,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,032.94 : 90,043.20 = 17,913.48 : x
  2. Step 2: Convert to fraction form
    60,032.94/90,043.20 = 17,913.48/x
  3. Step 3: Cross multiply
    60,032.94x = 90,043.20 × 17,913.48
  4. Step 4: Simplify right side
    60,032.94x = 1,612,987,062.34
  5. Step 5: Solve for x
    x = 1,612,987,062.34/60,032.94
  6. Step 6: Final answer
    x = 26,868.37

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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.