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Finding the Fourth Proportional to 57,252.30, 85,878.45 and 53,364.30

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Solution

The fourth proportional to 57,252.30, 85,878.45 and 53,364.30 is: 80,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252.30 : 85,878.45 = 53,364.30 : x
  2. Step 2: Convert to fraction form
    57,252.30/85,878.45 = 53,364.30/x
  3. Step 3: Cross multiply
    57,252.30x = 85,878.45 × 53,364.30
  4. Step 4: Simplify right side
    57,252.30x = 4,582,843,369.34
  5. Step 5: Solve for x
    x = 4,582,843,369.34/57,252.30
  6. Step 6: Final answer
    x = 80,046.45

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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.