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Finding the Fourth Proportional to 76,485.98, 114,745.16 and 23,899.42

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Solution

The fourth proportional to 76,485.98, 114,745.16 and 23,899.42 is: 35,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.98 : 114,745.16 = 23,899.42 : x
  2. Step 2: Convert to fraction form
    76,485.98/114,745.16 = 23,899.42/x
  3. Step 3: Cross multiply
    76,485.98x = 114,745.16 × 23,899.42
  4. Step 4: Simplify right side
    76,485.98x = 2,742,342,771.81
  5. Step 5: Solve for x
    x = 2,742,342,771.81/76,485.98
  6. Step 6: Final answer
    x = 35,854.19

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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.