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Finding the Fourth Proportional to 1,750.46, 2,415.75 and 964.58

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Solution

The fourth proportional to 1,750.46, 2,415.75 and 964.58 is: 1,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.46 : 2,415.75 = 964.58 : x
  2. Step 2: Convert to fraction form
    1,750.46/2,415.75 = 964.58/x
  3. Step 3: Cross multiply
    1,750.46x = 2,415.75 × 964.58
  4. Step 4: Simplify right side
    1,750.46x = 2,330,184.14
  5. Step 5: Solve for x
    x = 2,330,184.14/1,750.46
  6. Step 6: Final answer
    x = 1,331.18

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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.