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Finding the Fourth Proportional to 4,998.92, 6,899.48 and 2,875.88

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Solution

The fourth proportional to 4,998.92, 6,899.48 and 2,875.88 is: 3,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.92 : 6,899.48 = 2,875.88 : x
  2. Step 2: Convert to fraction form
    4,998.92/6,899.48 = 2,875.88/x
  3. Step 3: Cross multiply
    4,998.92x = 6,899.48 × 2,875.88
  4. Step 4: Simplify right side
    4,998.92x = 19,842,090.20
  5. Step 5: Solve for x
    x = 19,842,090.20/4,998.92
  6. Step 6: Final answer
    x = 3,969.27

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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.