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Finding the Fourth Proportional to 43,340, 59,809.20 and 23,468

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Solution

The fourth proportional to 43,340, 59,809.20 and 23,468 is: 32,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340 : 59,809.20 = 23,468 : x
  2. Step 2: Convert to fraction form
    43,340/59,809.20 = 23,468/x
  3. Step 3: Cross multiply
    43,340x = 59,809.20 × 23,468
  4. Step 4: Simplify right side
    43,340x = 1,403,602,305.60
  5. Step 5: Solve for x
    x = 1,403,602,305.60/43,340
  6. Step 6: Final answer
    x = 32,385.84

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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.