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Finding the Fourth Proportional to 4,903.92, 7,341.30 and 3,927.06

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Solution

The fourth proportional to 4,903.92, 7,341.30 and 3,927.06 is: 5,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.92 : 7,341.30 = 3,927.06 : x
  2. Step 2: Convert to fraction form
    4,903.92/7,341.30 = 3,927.06/x
  3. Step 3: Cross multiply
    4,903.92x = 7,341.30 × 3,927.06
  4. Step 4: Simplify right side
    4,903.92x = 28,829,725.58
  5. Step 5: Solve for x
    x = 28,829,725.58/4,903.92
  6. Step 6: Final answer
    x = 5,878.91

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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.