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Finding the Fourth Proportional to 8,587.85, 11,850.69 and 5,050.38

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Solution

The fourth proportional to 8,587.85, 11,850.69 and 5,050.38 is: 6,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.85 : 11,850.69 = 5,050.38 : x
  2. Step 2: Convert to fraction form
    8,587.85/11,850.69 = 5,050.38/x
  3. Step 3: Cross multiply
    8,587.85x = 11,850.69 × 5,050.38
  4. Step 4: Simplify right side
    8,587.85x = 59,850,462.51
  5. Step 5: Solve for x
    x = 59,850,462.51/8,587.85
  6. Step 6: Final answer
    x = 6,969.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.