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Finding the Fourth Proportional to 5,365.88, 8,045.85 and 1,853.99

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Solution

The fourth proportional to 5,365.88, 8,045.85 and 1,853.99 is: 2,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.88 : 8,045.85 = 1,853.99 : x
  2. Step 2: Convert to fraction form
    5,365.88/8,045.85 = 1,853.99/x
  3. Step 3: Cross multiply
    5,365.88x = 8,045.85 × 1,853.99
  4. Step 4: Simplify right side
    5,365.88x = 14,916,925.44
  5. Step 5: Solve for x
    x = 14,916,925.44/5,365.88
  6. Step 6: Final answer
    x = 2,779.96

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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.