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Finding the Fourth Proportional to 69,787.84, 96,309.80 and 37,959.16

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Solution

The fourth proportional to 69,787.84, 96,309.80 and 37,959.16 is: 52,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,787.84 : 96,309.80 = 37,959.16 : x
  2. Step 2: Convert to fraction form
    69,787.84/96,309.80 = 37,959.16/x
  3. Step 3: Cross multiply
    69,787.84x = 96,309.80 × 37,959.16
  4. Step 4: Simplify right side
    69,787.84x = 3,655,839,107.77
  5. Step 5: Solve for x
    x = 3,655,839,107.77/69,787.84
  6. Step 6: Final answer
    x = 52,385.04

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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.