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Finding the Fourth Proportional to 1,783.92, 2,676.48 and 895.08

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Solution

The fourth proportional to 1,783.92, 2,676.48 and 895.08 is: 1,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.92 : 2,676.48 = 895.08 : x
  2. Step 2: Convert to fraction form
    1,783.92/2,676.48 = 895.08/x
  3. Step 3: Cross multiply
    1,783.92x = 2,676.48 × 895.08
  4. Step 4: Simplify right side
    1,783.92x = 2,395,663.72
  5. Step 5: Solve for x
    x = 2,395,663.72/1,783.92
  6. Step 6: Final answer
    x = 1,342.92

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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.