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Finding the Fourth Proportional to 63,083.52, 87,053.64 and 34,787.40

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Solution

The fourth proportional to 63,083.52, 87,053.64 and 34,787.40 is: 48,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,083.52 : 87,053.64 = 34,787.40 : x
  2. Step 2: Convert to fraction form
    63,083.52/87,053.64 = 34,787.40/x
  3. Step 3: Cross multiply
    63,083.52x = 87,053.64 × 34,787.40
  4. Step 4: Simplify right side
    63,083.52x = 3,028,369,796.14
  5. Step 5: Solve for x
    x = 3,028,369,796.14/63,083.52
  6. Step 6: Final answer
    x = 48,005.72

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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.