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Finding the Fourth Proportional to 13,502.16, 18,630.96 and 7,533.96

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Solution

The fourth proportional to 13,502.16, 18,630.96 and 7,533.96 is: 10,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.16 : 18,630.96 = 7,533.96 : x
  2. Step 2: Convert to fraction form
    13,502.16/18,630.96 = 7,533.96/x
  3. Step 3: Cross multiply
    13,502.16x = 18,630.96 × 7,533.96
  4. Step 4: Simplify right side
    13,502.16x = 140,364,907.40
  5. Step 5: Solve for x
    x = 140,364,907.40/13,502.16
  6. Step 6: Final answer
    x = 10,395.74

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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.