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Finding the Fourth Proportional to 5,866.72, 8,779.11 and 5,095.80

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Solution

The fourth proportional to 5,866.72, 8,779.11 and 5,095.80 is: 7,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.72 : 8,779.11 = 5,095.80 : x
  2. Step 2: Convert to fraction form
    5,866.72/8,779.11 = 5,095.80/x
  3. Step 3: Cross multiply
    5,866.72x = 8,779.11 × 5,095.80
  4. Step 4: Simplify right side
    5,866.72x = 44,736,588.74
  5. Step 5: Solve for x
    x = 44,736,588.74/5,866.72
  6. Step 6: Final answer
    x = 7,625.49

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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.