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Finding the Fourth Proportional to 7,457.96, 10,293.90 and 4,315.97

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Solution

The fourth proportional to 7,457.96, 10,293.90 and 4,315.97 is: 5,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.96 : 10,293.90 = 4,315.97 : x
  2. Step 2: Convert to fraction form
    7,457.96/10,293.90 = 4,315.97/x
  3. Step 3: Cross multiply
    7,457.96x = 10,293.90 × 4,315.97
  4. Step 4: Simplify right side
    7,457.96x = 44,428,163.58
  5. Step 5: Solve for x
    x = 44,428,163.58/7,457.96
  6. Step 6: Final answer
    x = 5,957.15

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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.