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Finding the Fourth Proportional to 69,801.84, 96,305.22 and 39,585.60

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Solution

The fourth proportional to 69,801.84, 96,305.22 and 39,585.60 is: 54,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,801.84 : 96,305.22 = 39,585.60 : x
  2. Step 2: Convert to fraction form
    69,801.84/96,305.22 = 39,585.60/x
  3. Step 3: Cross multiply
    69,801.84x = 96,305.22 × 39,585.60
  4. Step 4: Simplify right side
    69,801.84x = 3,812,299,916.83
  5. Step 5: Solve for x
    x = 3,812,299,916.83/69,801.84
  6. Step 6: Final answer
    x = 54,616.04

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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.