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Finding the Fourth Proportional to 1,624.02, 2,240.88 and 925.26

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Solution

The fourth proportional to 1,624.02, 2,240.88 and 925.26 is: 1,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.02 : 2,240.88 = 925.26 : x
  2. Step 2: Convert to fraction form
    1,624.02/2,240.88 = 925.26/x
  3. Step 3: Cross multiply
    1,624.02x = 2,240.88 × 925.26
  4. Step 4: Simplify right side
    1,624.02x = 2,073,396.63
  5. Step 5: Solve for x
    x = 2,073,396.63/1,624.02
  6. Step 6: Final answer
    x = 1,276.71

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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.