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Finding the Fourth Proportional to 9,025.04, 12,457.98 and 8,079.13

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Solution

The fourth proportional to 9,025.04, 12,457.98 and 8,079.13 is: 11,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.04 : 12,457.98 = 8,079.13 : x
  2. Step 2: Convert to fraction form
    9,025.04/12,457.98 = 8,079.13/x
  3. Step 3: Cross multiply
    9,025.04x = 12,457.98 × 8,079.13
  4. Step 4: Simplify right side
    9,025.04x = 100,649,608.81
  5. Step 5: Solve for x
    x = 100,649,608.81/9,025.04
  6. Step 6: Final answer
    x = 11,152.26

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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.