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Finding the Fourth Proportional to 8,725.26, 12,041.09 and 4,746.60

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Solution

The fourth proportional to 8,725.26, 12,041.09 and 4,746.60 is: 6,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.26 : 12,041.09 = 4,746.60 : x
  2. Step 2: Convert to fraction form
    8,725.26/12,041.09 = 4,746.60/x
  3. Step 3: Cross multiply
    8,725.26x = 12,041.09 × 4,746.60
  4. Step 4: Simplify right side
    8,725.26x = 57,154,214.06
  5. Step 5: Solve for x
    x = 57,154,214.06/8,725.26
  6. Step 6: Final answer
    x = 6,550.43

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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.