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Finding the Fourth Proportional to 1,884.22, 2,600.20 and 1,056.22

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Solution

The fourth proportional to 1,884.22, 2,600.20 and 1,056.22 is: 1,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.22 : 2,600.20 = 1,056.22 : x
  2. Step 2: Convert to fraction form
    1,884.22/2,600.20 = 1,056.22/x
  3. Step 3: Cross multiply
    1,884.22x = 2,600.20 × 1,056.22
  4. Step 4: Simplify right side
    1,884.22x = 2,746,383.24
  5. Step 5: Solve for x
    x = 2,746,383.24/1,884.22
  6. Step 6: Final answer
    x = 1,457.57

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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.