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Finding the Fourth Proportional to 4,906.76, 7,358.70 and 4,038.92

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Solution

The fourth proportional to 4,906.76, 7,358.70 and 4,038.92 is: 6,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.76 : 7,358.70 = 4,038.92 : x
  2. Step 2: Convert to fraction form
    4,906.76/7,358.70 = 4,038.92/x
  3. Step 3: Cross multiply
    4,906.76x = 7,358.70 × 4,038.92
  4. Step 4: Simplify right side
    4,906.76x = 29,721,200.60
  5. Step 5: Solve for x
    x = 29,721,200.60/4,906.76
  6. Step 6: Final answer
    x = 6,057.19

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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.