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Finding the Fourth Proportional to 11,572.55, 15,969.93 and 6,267.32

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Solution

The fourth proportional to 11,572.55, 15,969.93 and 6,267.32 is: 8,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.55 : 15,969.93 = 6,267.32 : x
  2. Step 2: Convert to fraction form
    11,572.55/15,969.93 = 6,267.32/x
  3. Step 3: Cross multiply
    11,572.55x = 15,969.93 × 6,267.32
  4. Step 4: Simplify right side
    11,572.55x = 100,088,661.69
  5. Step 5: Solve for x
    x = 100,088,661.69/11,572.55
  6. Step 6: Final answer
    x = 8,648.80

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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.