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Finding the Fourth Proportional to 13,562, 18,710.34 and 8,524.16

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Solution

The fourth proportional to 13,562, 18,710.34 and 8,524.16 is: 11,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562 : 18,710.34 = 8,524.16 : x
  2. Step 2: Convert to fraction form
    13,562/18,710.34 = 8,524.16/x
  3. Step 3: Cross multiply
    13,562x = 18,710.34 × 8,524.16
  4. Step 4: Simplify right side
    13,562x = 159,489,931.81
  5. Step 5: Solve for x
    x = 159,489,931.81/13,562
  6. Step 6: Final answer
    x = 11,760.06

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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.