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Finding the Fourth Proportional to 35,706.92, 49,277.82 and 20,602.34

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Solution

The fourth proportional to 35,706.92, 49,277.82 and 20,602.34 is: 28,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,706.92 : 49,277.82 = 20,602.34 : x
  2. Step 2: Convert to fraction form
    35,706.92/49,277.82 = 20,602.34/x
  3. Step 3: Cross multiply
    35,706.92x = 49,277.82 × 20,602.34
  4. Step 4: Simplify right side
    35,706.92x = 1,015,238,402.10
  5. Step 5: Solve for x
    x = 1,015,238,402.10/35,706.92
  6. Step 6: Final answer
    x = 28,432.54

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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.