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Finding the Fourth Proportional to 5,987.34, 8,967.24 and 5,779.80

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Solution

The fourth proportional to 5,987.34, 8,967.24 and 5,779.80 is: 8,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.34 : 8,967.24 = 5,779.80 : x
  2. Step 2: Convert to fraction form
    5,987.34/8,967.24 = 5,779.80/x
  3. Step 3: Cross multiply
    5,987.34x = 8,967.24 × 5,779.80
  4. Step 4: Simplify right side
    5,987.34x = 51,828,853.75
  5. Step 5: Solve for x
    x = 51,828,853.75/5,987.34
  6. Step 6: Final answer
    x = 8,656.41

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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.