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Finding the Fourth Proportional to 2,370.51, 3,555.36 and 909.27

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Solution

The fourth proportional to 2,370.51, 3,555.36 and 909.27 is: 1,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.51 : 3,555.36 = 909.27 : x
  2. Step 2: Convert to fraction form
    2,370.51/3,555.36 = 909.27/x
  3. Step 3: Cross multiply
    2,370.51x = 3,555.36 × 909.27
  4. Step 4: Simplify right side
    2,370.51x = 3,232,782.19
  5. Step 5: Solve for x
    x = 3,232,782.19/2,370.51
  6. Step 6: Final answer
    x = 1,363.75

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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.