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Finding the Fourth Proportional to 8,339.01, 11,509.25 and 4,801.57

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Solution

The fourth proportional to 8,339.01, 11,509.25 and 4,801.57 is: 6,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.01 : 11,509.25 = 4,801.57 : x
  2. Step 2: Convert to fraction form
    8,339.01/11,509.25 = 4,801.57/x
  3. Step 3: Cross multiply
    8,339.01x = 11,509.25 × 4,801.57
  4. Step 4: Simplify right side
    8,339.01x = 55,262,445.51
  5. Step 5: Solve for x
    x = 55,262,445.51/8,339.01
  6. Step 6: Final answer
    x = 6,626.98

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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.