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Finding the Fourth Proportional to 43,280, 59,726.46 and 23,408

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Solution

The fourth proportional to 43,280, 59,726.46 and 23,408 is: 32,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280 : 59,726.46 = 23,408 : x
  2. Step 2: Convert to fraction form
    43,280/59,726.46 = 23,408/x
  3. Step 3: Cross multiply
    43,280x = 59,726.46 × 23,408
  4. Step 4: Simplify right side
    43,280x = 1,398,076,975.68
  5. Step 5: Solve for x
    x = 1,398,076,975.68/43,280
  6. Step 6: Final answer
    x = 32,303.07

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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.