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Finding the Fourth Proportional to 1,589.24, 2,192.64 and 925.94

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Solution

The fourth proportional to 1,589.24, 2,192.64 and 925.94 is: 1,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.24 : 2,192.64 = 925.94 : x
  2. Step 2: Convert to fraction form
    1,589.24/2,192.64 = 925.94/x
  3. Step 3: Cross multiply
    1,589.24x = 2,192.64 × 925.94
  4. Step 4: Simplify right side
    1,589.24x = 2,030,253.08
  5. Step 5: Solve for x
    x = 2,030,253.08/1,589.24
  6. Step 6: Final answer
    x = 1,277.50

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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.