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Finding the Fourth Proportional to 8,013.75, 11,059.18 and 4,477.19

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Solution

The fourth proportional to 8,013.75, 11,059.18 and 4,477.19 is: 6,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.75 : 11,059.18 = 4,477.19 : x
  2. Step 2: Convert to fraction form
    8,013.75/11,059.18 = 4,477.19/x
  3. Step 3: Cross multiply
    8,013.75x = 11,059.18 × 4,477.19
  4. Step 4: Simplify right side
    8,013.75x = 49,514,050.10
  5. Step 5: Solve for x
    x = 49,514,050.10/8,013.75
  6. Step 6: Final answer
    x = 6,178.64

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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.