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Finding the Fourth Proportional to 43,128, 59,515.20 and 24,264

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Solution

The fourth proportional to 43,128, 59,515.20 and 24,264 is: 33,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128 : 59,515.20 = 24,264 : x
  2. Step 2: Convert to fraction form
    43,128/59,515.20 = 24,264/x
  3. Step 3: Cross multiply
    43,128x = 59,515.20 × 24,264
  4. Step 4: Simplify right side
    43,128x = 1,444,076,812.80
  5. Step 5: Solve for x
    x = 1,444,076,812.80/43,128
  6. Step 6: Final answer
    x = 33,483.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.