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Finding the Fourth Proportional to 1,750.82, 2,416.16 and 964.91

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Solution

The fourth proportional to 1,750.82, 2,416.16 and 964.91 is: 1,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.82 : 2,416.16 = 964.91 : x
  2. Step 2: Convert to fraction form
    1,750.82/2,416.16 = 964.91/x
  3. Step 3: Cross multiply
    1,750.82x = 2,416.16 × 964.91
  4. Step 4: Simplify right side
    1,750.82x = 2,331,385.40
  5. Step 5: Solve for x
    x = 2,331,385.40/1,750.82
  6. Step 6: Final answer
    x = 1,331.60

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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.