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Finding the Fourth Proportional to 1,661.84, 2,294.56 and 1,332.08

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Solution

The fourth proportional to 1,661.84, 2,294.56 and 1,332.08 is: 1,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.84 : 2,294.56 = 1,332.08 : x
  2. Step 2: Convert to fraction form
    1,661.84/2,294.56 = 1,332.08/x
  3. Step 3: Cross multiply
    1,661.84x = 2,294.56 × 1,332.08
  4. Step 4: Simplify right side
    1,661.84x = 3,056,537.48
  5. Step 5: Solve for x
    x = 3,056,537.48/1,661.84
  6. Step 6: Final answer
    x = 1,839.25

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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.