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Finding the Fourth Proportional to 5,762.94, 8,647.37 and 4,987.92

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Solution

The fourth proportional to 5,762.94, 8,647.37 and 4,987.92 is: 7,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.94 : 8,647.37 = 4,987.92 : x
  2. Step 2: Convert to fraction form
    5,762.94/8,647.37 = 4,987.92/x
  3. Step 3: Cross multiply
    5,762.94x = 8,647.37 × 4,987.92
  4. Step 4: Simplify right side
    5,762.94x = 43,132,389.77
  5. Step 5: Solve for x
    x = 43,132,389.77/5,762.94
  6. Step 6: Final answer
    x = 7,484.44

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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.