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Finding the Fourth Proportional to 55,080.68, 82,510.14 and 25,457.72

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Solution

The fourth proportional to 55,080.68, 82,510.14 and 25,457.72 is: 38,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.68 : 82,510.14 = 25,457.72 : x
  2. Step 2: Convert to fraction form
    55,080.68/82,510.14 = 25,457.72/x
  3. Step 3: Cross multiply
    55,080.68x = 82,510.14 × 25,457.72
  4. Step 4: Simplify right side
    55,080.68x = 2,100,520,041.28
  5. Step 5: Solve for x
    x = 2,100,520,041.28/55,080.68
  6. Step 6: Final answer
    x = 38,135.33

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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.