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Finding the Fourth Proportional to 2,237.84, 3,358.56 and 940.16

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Solution

The fourth proportional to 2,237.84, 3,358.56 and 940.16 is: 1,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.84 : 3,358.56 = 940.16 : x
  2. Step 2: Convert to fraction form
    2,237.84/3,358.56 = 940.16/x
  3. Step 3: Cross multiply
    2,237.84x = 3,358.56 × 940.16
  4. Step 4: Simplify right side
    2,237.84x = 3,157,583.77
  5. Step 5: Solve for x
    x = 3,157,583.77/2,237.84
  6. Step 6: Final answer
    x = 1,411.00

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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.