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Finding the Fourth Proportional to 77,787.25, 116,680.88 and 22,383.25

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Solution

The fourth proportional to 77,787.25, 116,680.88 and 22,383.25 is: 33,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,787.25 : 116,680.88 = 22,383.25 : x
  2. Step 2: Convert to fraction form
    77,787.25/116,680.88 = 22,383.25/x
  3. Step 3: Cross multiply
    77,787.25x = 116,680.88 × 22,383.25
  4. Step 4: Simplify right side
    77,787.25x = 2,611,697,307.26
  5. Step 5: Solve for x
    x = 2,611,697,307.26/77,787.25
  6. Step 6: Final answer
    x = 33,574.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.