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Finding the Fourth Proportional to 43,220, 59,643.60 and 23,348

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Solution

The fourth proportional to 43,220, 59,643.60 and 23,348 is: 32,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220 : 59,643.60 = 23,348 : x
  2. Step 2: Convert to fraction form
    43,220/59,643.60 = 23,348/x
  3. Step 3: Cross multiply
    43,220x = 59,643.60 × 23,348
  4. Step 4: Simplify right side
    43,220x = 1,392,558,772.80
  5. Step 5: Solve for x
    x = 1,392,558,772.80/43,220
  6. Step 6: Final answer
    x = 32,220.24

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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.