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Finding the Fourth Proportional to 5,985.88, 8,973.06 and 1,879

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Solution

The fourth proportional to 5,985.88, 8,973.06 and 1,879 is: 2,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.88 : 8,973.06 = 1,879 : x
  2. Step 2: Convert to fraction form
    5,985.88/8,973.06 = 1,879/x
  3. Step 3: Cross multiply
    5,985.88x = 8,973.06 × 1,879
  4. Step 4: Simplify right side
    5,985.88x = 16,860,379.74
  5. Step 5: Solve for x
    x = 16,860,379.74/5,985.88
  6. Step 6: Final answer
    x = 2,816.69

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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.