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Finding the Fourth Proportional to 1,710.84, 2,360.98 and 964.77

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Solution

The fourth proportional to 1,710.84, 2,360.98 and 964.77 is: 1,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.84 : 2,360.98 = 964.77 : x
  2. Step 2: Convert to fraction form
    1,710.84/2,360.98 = 964.77/x
  3. Step 3: Cross multiply
    1,710.84x = 2,360.98 × 964.77
  4. Step 4: Simplify right side
    1,710.84x = 2,277,795.03
  5. Step 5: Solve for x
    x = 2,277,795.03/1,710.84
  6. Step 6: Final answer
    x = 1,331.39

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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.