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Finding the Fourth Proportional to 1,681.84, 2,533.97 and 1,549.00

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Solution

The fourth proportional to 1,681.84, 2,533.97 and 1,549.00 is: 2,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681.84 : 2,533.97 = 1,549.00 : x
  2. Step 2: Convert to fraction form
    1,681.84/2,533.97 = 1,549.00/x
  3. Step 3: Cross multiply
    1,681.84x = 2,533.97 × 1,549.00
  4. Step 4: Simplify right side
    1,681.84x = 3,925,105.45
  5. Step 5: Solve for x
    x = 3,925,105.45/1,681.84
  6. Step 6: Final answer
    x = 2,333.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.