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Finding the Fourth Proportional to 5,703.85, 8,554.92 and 1,807.75

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Solution

The fourth proportional to 5,703.85, 8,554.92 and 1,807.75 is: 2,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.85 : 8,554.92 = 1,807.75 : x
  2. Step 2: Convert to fraction form
    5,703.85/8,554.92 = 1,807.75/x
  3. Step 3: Cross multiply
    5,703.85x = 8,554.92 × 1,807.75
  4. Step 4: Simplify right side
    5,703.85x = 15,465,156.63
  5. Step 5: Solve for x
    x = 15,465,156.63/5,703.85
  6. Step 6: Final answer
    x = 2,711.35

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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.