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Finding the Fourth Proportional to 60,844, 91,283.28 and 19,292.08

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Solution

The fourth proportional to 60,844, 91,283.28 and 19,292.08 is: 28,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,844 : 91,283.28 = 19,292.08 : x
  2. Step 2: Convert to fraction form
    60,844/91,283.28 = 19,292.08/x
  3. Step 3: Cross multiply
    60,844x = 91,283.28 × 19,292.08
  4. Step 4: Simplify right side
    60,844x = 1,761,044,340.42
  5. Step 5: Solve for x
    x = 1,761,044,340.42/60,844
  6. Step 6: Final answer
    x = 28,943.60

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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.