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Finding the Fourth Proportional to 63,675.92, 87,875.08 and 35,381

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Solution

The fourth proportional to 63,675.92, 87,875.08 and 35,381 is: 48,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,675.92 : 87,875.08 = 35,381 : x
  2. Step 2: Convert to fraction form
    63,675.92/87,875.08 = 35,381/x
  3. Step 3: Cross multiply
    63,675.92x = 87,875.08 × 35,381
  4. Step 4: Simplify right side
    63,675.92x = 3,109,108,205.48
  5. Step 5: Solve for x
    x = 3,109,108,205.48/63,675.92
  6. Step 6: Final answer
    x = 48,827.06

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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.