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Finding the Fourth Proportional to 1,883.44, 2,823.32 and 909.01

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Solution

The fourth proportional to 1,883.44, 2,823.32 and 909.01 is: 1,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.44 : 2,823.32 = 909.01 : x
  2. Step 2: Convert to fraction form
    1,883.44/2,823.32 = 909.01/x
  3. Step 3: Cross multiply
    1,883.44x = 2,823.32 × 909.01
  4. Step 4: Simplify right side
    1,883.44x = 2,566,426.11
  5. Step 5: Solve for x
    x = 2,566,426.11/1,883.44
  6. Step 6: Final answer
    x = 1,362.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.