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Finding the Fourth Proportional to 53,223.55, 79,792.02 and 19,924.95

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Solution

The fourth proportional to 53,223.55, 79,792.02 and 19,924.95 is: 29,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.55 : 79,792.02 = 19,924.95 : x
  2. Step 2: Convert to fraction form
    53,223.55/79,792.02 = 19,924.95/x
  3. Step 3: Cross multiply
    53,223.55x = 79,792.02 × 19,924.95
  4. Step 4: Simplify right side
    53,223.55x = 1,589,852,308.12
  5. Step 5: Solve for x
    x = 1,589,852,308.12/53,223.55
  6. Step 6: Final answer
    x = 29,871.22

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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.