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Finding the Fourth Proportional to 1,704.08, 2,352.04 and 1,005.60

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Solution

The fourth proportional to 1,704.08, 2,352.04 and 1,005.60 is: 1,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.08 : 2,352.04 = 1,005.60 : x
  2. Step 2: Convert to fraction form
    1,704.08/2,352.04 = 1,005.60/x
  3. Step 3: Cross multiply
    1,704.08x = 2,352.04 × 1,005.60
  4. Step 4: Simplify right side
    1,704.08x = 2,365,211.42
  5. Step 5: Solve for x
    x = 2,365,211.42/1,704.08
  6. Step 6: Final answer
    x = 1,387.97

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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.