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Finding the Fourth Proportional to 1,774.40, 2,448.84 and 1,065.92

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Solution

The fourth proportional to 1,774.40, 2,448.84 and 1,065.92 is: 1,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.40 : 2,448.84 = 1,065.92 : x
  2. Step 2: Convert to fraction form
    1,774.40/2,448.84 = 1,065.92/x
  3. Step 3: Cross multiply
    1,774.40x = 2,448.84 × 1,065.92
  4. Step 4: Simplify right side
    1,774.40x = 2,610,267.53
  5. Step 5: Solve for x
    x = 2,610,267.53/1,774.40
  6. Step 6: Final answer
    x = 1,471.07

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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.