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Finding the Fourth Proportional to 30,253.60, 41,787.60 and 23,264.80

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Solution

The fourth proportional to 30,253.60, 41,787.60 and 23,264.80 is: 32,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.60 : 41,787.60 = 23,264.80 : x
  2. Step 2: Convert to fraction form
    30,253.60/41,787.60 = 23,264.80/x
  3. Step 3: Cross multiply
    30,253.60x = 41,787.60 × 23,264.80
  4. Step 4: Simplify right side
    30,253.60x = 972,180,156.48
  5. Step 5: Solve for x
    x = 972,180,156.48/30,253.60
  6. Step 6: Final answer
    x = 32,134.36

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1.5x scale

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.