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Finding the Fourth Proportional to 1,244.41, 1,717.94 and 848.16

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Solution

The fourth proportional to 1,244.41, 1,717.94 and 848.16 is: 1,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.41 : 1,717.94 = 848.16 : x
  2. Step 2: Convert to fraction form
    1,244.41/1,717.94 = 848.16/x
  3. Step 3: Cross multiply
    1,244.41x = 1,717.94 × 848.16
  4. Step 4: Simplify right side
    1,244.41x = 1,457,083.75
  5. Step 5: Solve for x
    x = 1,457,083.75/1,244.41
  6. Step 6: Final answer
    x = 1,170.91

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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.