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Finding the Fourth Proportional to 13,552.94, 18,702.63 and 7,502.81

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Solution

The fourth proportional to 13,552.94, 18,702.63 and 7,502.81 is: 10,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.94 : 18,702.63 = 7,502.81 : x
  2. Step 2: Convert to fraction form
    13,552.94/18,702.63 = 7,502.81/x
  3. Step 3: Cross multiply
    13,552.94x = 18,702.63 × 7,502.81
  4. Step 4: Simplify right side
    13,552.94x = 140,322,279.39
  5. Step 5: Solve for x
    x = 140,322,279.39/13,552.94
  6. Step 6: Final answer
    x = 10,353.64

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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.