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Finding the Fourth Proportional to 1,544.32, 2,315.26 and 894.32

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Solution

The fourth proportional to 1,544.32, 2,315.26 and 894.32 is: 1,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.32 : 2,315.26 = 894.32 : x
  2. Step 2: Convert to fraction form
    1,544.32/2,315.26 = 894.32/x
  3. Step 3: Cross multiply
    1,544.32x = 2,315.26 × 894.32
  4. Step 4: Simplify right side
    1,544.32x = 2,070,583.32
  5. Step 5: Solve for x
    x = 2,070,583.32/1,544.32
  6. Step 6: Final answer
    x = 1,340.77

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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.