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Finding the Fourth Proportional to 1,750.58, 2,415.91 and 964.62

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Solution

The fourth proportional to 1,750.58, 2,415.91 and 964.62 is: 1,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.58 : 2,415.91 = 964.62 : x
  2. Step 2: Convert to fraction form
    1,750.58/2,415.91 = 964.62/x
  3. Step 3: Cross multiply
    1,750.58x = 2,415.91 × 964.62
  4. Step 4: Simplify right side
    1,750.58x = 2,330,435.10
  5. Step 5: Solve for x
    x = 2,330,435.10/1,750.58
  6. Step 6: Final answer
    x = 1,331.24

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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.