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Finding the Fourth Proportional to 2,968.91, 4,457.01 and 2,851.46

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Solution

The fourth proportional to 2,968.91, 4,457.01 and 2,851.46 is: 4,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.91 : 4,457.01 = 2,851.46 : x
  2. Step 2: Convert to fraction form
    2,968.91/4,457.01 = 2,851.46/x
  3. Step 3: Cross multiply
    2,968.91x = 4,457.01 × 2,851.46
  4. Step 4: Simplify right side
    2,968.91x = 12,708,985.73
  5. Step 5: Solve for x
    x = 12,708,985.73/2,968.91
  6. Step 6: Final answer
    x = 4,280.69

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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.