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Finding the Fourth Proportional to 1,094.09, 1,507.56 and 744.17

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Solution

The fourth proportional to 1,094.09, 1,507.56 and 744.17 is: 1,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.09 : 1,507.56 = 744.17 : x
  2. Step 2: Convert to fraction form
    1,094.09/1,507.56 = 744.17/x
  3. Step 3: Cross multiply
    1,094.09x = 1,507.56 × 744.17
  4. Step 4: Simplify right side
    1,094.09x = 1,121,880.93
  5. Step 5: Solve for x
    x = 1,121,880.93/1,094.09
  6. Step 6: Final answer
    x = 1,025.40

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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.